As August rolls around, home gardeners often find themselves blessed – or perhaps overwhelmed – with an abundant harvest of summer squash, particularly zucchini and yellow squash. If your kitchen counter is currently a testament to nature’s generosity, brimming with these vibrant vegetables, you’re in the right place! We’re diving into a delightfully simple and incredibly fast method for preparing these versatile vegetables: the microwave. This recipe isn’t just about speed; it’s about making the most of your garden’s bounty without heating up your kitchen on a hot summer day. Forget complicated steps and long cook times; this dish is designed to be a quick, flavorful break from your routine, proving that delicious and healthy meals don’t have to be time-consuming.
Understanding the Generosity of Zucchini: Why It Grows So Prolifically
Zucchini has earned its reputation as one of the easiest and most generous plants to cultivate. Its vigorous growth habit and impressive yield are legendary among gardeners. The secret to its prolific nature lies in its cyclical production: the more you harvest, the more the plant is stimulated to produce new fruit. This continuous cycle, as many seasoned gardeners will tell you, means that neglecting to pick ripe zucchini for even a day or two can result in colossal squash that seem to appear overnight!
As the adage goes, When they start coming in the garden, you better start picking or they could quickly be a murder weapon.
This humorous observation, shared by my friend Dawn, highlights a common gardener’s dilemma: you need to pick zucchini frequently while they’re young and tender to encourage further production, but this very act leads to an ever-increasing supply. It’s a delightful problem, but a problem nonetheless! This is precisely why friends and neighbors often find themselves on the receiving end of a generous zucchini delivery from their green-thumbed acquaintances. Embracing this abundance with simple, delicious recipes like our microwave squash dish is key to enjoying, rather than dreading, the summer squash season.

This image perfectly captures the humorous reality of a gardener’s summer squash experience!
The Marvels of Microwave Cooking for Summer Squash
While the microwave might not always be your first thought for gourmet meals, it’s an absolute game-changer for preparing fresh summer squash. Its speed and efficiency make it the ideal tool for busy lifestyles, ensuring you can whip up a healthy side dish in mere minutes. Beyond convenience, microwave cooking offers several compelling benefits for vegetables like zucchini and yellow squash:
- Preserves Nutrients: Shorter cooking times and minimal water usage help retain more of the delicate vitamins and minerals that can often be lost through longer boiling or steaming methods. This means a healthier, more nutrient-rich dish.
- Maintains Texture: When cooked correctly, microwave squash retains a pleasant, slightly firm bite, avoiding the mushiness often associated with overcooked vegetables. You have precise control over the level of tenderness.
- Energy Efficient: Using a microwave consumes significantly less energy compared to preheating and utilizing a conventional oven, making it a cooler choice for hot summer days and a more eco-friendly cooking option year-round.
- Simple Cleanup: Cooking directly in a microwave-safe dish means fewer pots and pans to wash after your meal, streamlining your post-meal routine and saving valuable time.
This quick and effective method is perfect for those times when you need a wholesome side dish in a flash, allowing you to fully enjoy the fresh, vibrant flavors of summer squash without any unnecessary fuss or delay.
Crafting Your Delicious Green and Yellow Squash in the Microwave: A Step-by-Step Guide
This incredibly straightforward recipe proves that you don’t need a pantry full of exotic ingredients or hours spent in a hot kitchen to create something truly delicious. With just a few staple items and less than 10 minutes of active preparation and cooking time, you’ll have a vibrant and flavorful side dish ready to enjoy. Given that zucchini and yellow squash are often available year-round, but especially in abundance during the summer months, this recipe is a valuable addition to your culinary repertoire for repeated use.

Choosing Your Squash and Key Ingredients Wisely
For this recipe, I find that using a combination of both zucchini and yellow squash works wonderfully. The striking contrast in colors – the vibrant green against the sunny yellow – creates a visually appealing and appetizing dish. However, please feel free to use whichever variety you have on hand or prefer. If your garden is currently overflowing with only zucchini, then use all zucchini! If yellow squash is the star of your harvest, that works just as beautifully. The crucial factor is selecting fresh, firm squash.
- Summer Squash (Zucchini and/or Yellow Squash): Always select squash that are firm to the touch, unblemished, and free from soft spots. Smaller to medium-sized squash (around 6-8 inches long) tend to be more tender, have fewer seeds, and offer a better texture for this quick cooking method. Larger squash can be used, but might require slightly longer cooking and may be a bit more watery.
- Seasoned Tomato Sauce: This ingredient is a flavor powerhouse! Look for a 6-ounce can of tomato sauce that is specifically flavored with basil, garlic, and oregano. These classic Italian herbs perfectly complement the mild, slightly sweet taste of the summer squash, creating a robust base. If you can only find plain tomato sauce, don’t fret! You can easily replicate the desired flavor by stirring in about ½ to 1 teaspoon of a good quality Italian seasoning blend, or a pinch each of dried basil, dried oregano, and garlic powder, adjusted to your personal taste preference.
- Parmesan Cheese: A generous third of a cup of shredded Parmesan cheese adds a wonderful salty, nutty, and umami depth to the dish, helping to bind the flavors together. While pre-shredded Parmesan is convenient, freshly grated Parmesan will undoubtedly melt more smoothly and offer a richer, more authentic flavor. Either option will work well, so choose what best suits your kitchen and preferences. For an extra touch, consider setting aside a little extra Parmesan for garnish!
Preparing Your Squash: Slicing for Even Cooking and Optimal Texture
The first and most critical step in preparing this dish is to properly prepare your squash. Begin by washing them thoroughly under cool water and then trimming off both the stem and blossom ends. The goal is to slice them into even, thin rounds or half-moons. Consistent thickness is absolutely crucial for ensuring that all the squash cooks evenly in the microwave, preventing some pieces from being underdone while others become mushy. Aim for slices roughly ⅛ to ¼ inch thick.
- Using a Food Processor: If you’re fortunate enough to own a food processor equipped with a slicing attachment, this task becomes incredibly quick and effortless, literally taking about 30 seconds for a couple of squash. It yields perfectly uniform slices, which is ideal for this recipe.
- Using a Mandoline Slicer: A mandoline slicer is another excellent tool for achieving consistently thin slices with minimal effort. If you choose this method, always exercise extreme caution and diligently use the safety guard to protect your fingers.
- Using a Sharp Knife: Don’t have any fancy kitchen gadgets? No problem at all! A good, sharp chef’s knife and a steady hand will work perfectly. Take your time to ensure your slices are as uniform as possible.
Once sliced, arrange the squash in a microwave-safe dish. A shallow, wide dish is generally preferable over a deep, narrow one, as it allows for better heat distribution and more even cooking of the squash slices. You don’t necessarily need a single layer, but try to avoid excessively piling them up.
Assembling and Microwaving for Perfection: Quick and Flavorful Results
Now comes the truly easy and quick part of the process! Over the evenly sliced squash in your microwave-safe dish, generously pour the entire 6-ounce can of seasoned tomato sauce. Next, evenly sprinkle the ⅓ cup of shredded Parmesan cheese over the sauce and squash. Give everything a good, gentle stir to ensure that all the squash slices are thoroughly coated with both the savory tomato sauce and the cheesy goodness. This step is important for distributing the flavors evenly and ensuring every bite is delicious.
Cover the microwave-safe dish with a lid that has a small vent, or use microwave-safe plastic wrap, again leaving a small corner or edge slightly open to allow steam to escape. Microwave on high for an initial 5 minutes. The precise cooking time can vary slightly depending on the wattage of your microwave and the exact thickness of your squash slices. After 5 minutes, carefully remove the dish from the microwave (be mindful, as it will be hot!). Check the squash for doneness; it should be tender but still retain a slight al dente texture – you want to avoid it becoming overly mushy. If you prefer your zucchini very soft, or if your slices were a bit thicker than recommended, simply re-cover the dish and microwave for an additional 1-2 minutes, checking periodically until it reaches your desired tenderness. Personally, I typically prefer my cooked zucchini to retain a little bit of texture, so 5 minutes is often the perfect cooking time for me.

For an extra burst of irresistible flavor and a visually appealing finish, I always recommend sprinkling a little more Parmesan cheese on top just before serving. It’s theoretically optional, but for true cheese lovers, it’s practically a mandatory step to enhance the experience!
Zucchini and Yellow Squash in the Microwave Recipe Card
An incredibly easy, healthy, and flavorful side dish to make with your abundant summer squash in under 10 minutes!
Average rating: 5 out of 5 stars from 107 votes
Prep Time: 5 minutes
Cook Time: 5 minutes
Total Time: 10 minutes
Course: Side Dish
Cuisine: American
Servings: 4
Calories: 59 kcal per serving
Author: Sula
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Ingredients
- 2 summer squash (a mix of zucchini and/or yellow squash works beautifully)
- 1 (6 oz) can seasoned tomato sauce (look for basil, garlic, and oregano flavored, or add your own seasonings)
- ⅓ cup shredded Parmesan cheese (plus extra for serving, if desired)
Instructions
- Remove the ends from the squash and slice them thinly and uniformly (about ⅛ to ¼ inch thick). Place the slices in a microwave-safe dish.
- Add the seasoned tomato sauce and the ⅓ cup of Parmesan cheese to the dish. Stir gently to ensure all squash slices are well-coated.
- Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Microwave on high for 5 minutes.
- Carefully remove the dish from the microwave. Check the squash for doneness by piercing it with a fork. If it’s not as tender as you prefer, re-cover and microwave for an additional 1-2 minutes, checking periodically.
- Serve warm, garnished with extra Parmesan cheese if desired.
Video Guide
Notes
Sprinkle with additional shredded Parmesan cheese when serving, as desired, to enhance the flavor and presentation.
Nutrition Facts (Estimated per serving)
Calories: 59 kcal | Carbohydrates: 6g | Protein: 5g | Fat: 2g | Saturated Fat: 1g | Cholesterol: 6mg | Sodium: 358mg | Potassium: 398mg | Fiber: 2g | Sugar: 4g | Vitamin A: 445IU | Vitamin C: 20mg | Calcium: 119mg | Iron: 1mg
Nutrition values are estimates only, typically calculated using online calculators. Please verify using your own data for precise dietary planning.
Recipe FAQs: Your Common Questions Answered
Salting zucchini slices to draw out excess moisture is a well-known technique, particularly beneficial for cooking methods like sautéing or baking where a crispier texture is desired or to prevent a watery dish. The first time I prepared this microwave dish, I meticulously followed this practice: I placed the sliced squash in a colander, salted them generously, and let them sit for about 30 minutes to release their liquid. However, in subsequent attempts where I skipped this step entirely, I noticed almost no significant difference in the final outcome or the overall texture. The tomato sauce might become a tiny bit more watery, but this excess liquid typically remains in the bottom of the dish when you’re spooning out your serving, so it doesn’t negatively impact the dish’s consistency. Therefore, to uphold the “super-fast and simple” essence of this recipe, I now confidently skip the salting step. If you have a strong preference for pre-treating your squash, or if you find your particular squash variety is exceptionally water-logged, feel free to do so. Otherwise, save yourself the extra time and effort!
Absolutely! If you prefer using your conventional oven, or if your microwave is currently in use, it’s just as straightforward to bake this dish. Simply combine the thinly sliced squash, the seasoned tomato sauce, and the Parmesan cheese in an oven-safe casserole dish. Cover the dish with aluminum foil or an oven-safe lid, and bake in a preheated 375°F (190°C) oven for approximately 20-30 minutes. The baking time may vary somewhat depending on the thickness of your squash slices and the specific calibration of your oven. As with the microwave method, check for tenderness with a fork. Baking will impart a slightly more roasted and caramelized flavor profile, which can be equally delicious and offers a wonderful alternative!
Certainly! This recipe is incredibly versatile and serves as an excellent foundational canvas for culinary experimentation. For added texture, nutritional value, and flavor, consider stirring in a handful of finely diced bell peppers (any color works well), chopped onions, or even some fresh or frozen corn kernels along with the squash slices. If you’re a fan of a little heat, a pinch of red pepper flakes would be a fantastic addition to the sauce. Fresh herbs like chopped fresh parsley, basil, or chives, stirred in just before serving, can also greatly elevate the dish’s freshness and aroma. Feel completely free to customize this recipe to your unique taste preferences and make it your very own signature summer side dish!
Leftovers of this delightful squash dish are excellent and can be safely stored in an airtight container in the refrigerator for up to 3-4 days. To reheat, simply place the desired portion in a microwave-safe dish and microwave on medium-high heat for 1-2 minutes, or until it is thoroughly heated through. You can also gently warm it in a saucepan on the stovetop over low heat, stirring occasionally to prevent sticking. While freshly prepared is always wonderful, this dish reheats quite well, making it a convenient and healthy option for quick lunches or meal prep throughout the week!
This versatile microwave zucchini and yellow squash dish makes a fantastic side for a variety of main courses. It pairs beautifully with grilled meats, such as chicken, steak, or fish, offering a light and flavorful counterpoint. It’s also an excellent accompaniment to roasted chicken or pork. For a vegetarian meal, serve it alongside quinoa, couscous, or a simple green salad. You can also spoon it over toasted crusty bread for a quick appetizer or a light lunch. Its simple yet savory profile allows it to complement many different cuisines, from Italian-inspired meals to classic American comfort food.
More Delicious Zucchini Recipes to Explore from the Garden
If you’ve still got a surplus of zucchini from your garden, or simply want to discover different and exciting ways to enjoy this incredibly versatile vegetable beyond microwave cooking, here are a few more fantastic recipes to inspire your culinary adventures:

- Grilled Zucchini: Perfect for BBQ season, these smoky and tender grilled zucchini slices are a crowd-pleaser and quick to prepare outdoors.
- Corn and Zucchini Fritters: A delightful appetizer, brunch item, or light meal, these fritters combine the sweetness of corn with the freshness of zucchini for a savory treat.
- Zucchini Casserole with Ground Beef: A hearty, comforting, and wholesome family dinner that efficiently uses up larger zucchini in a satisfying and delicious way.
Whether you’re contending with an overflowing garden full of summer squash or simply seeking a quick, nutritious, and incredibly flavorful side dish for any meal, this microwave zucchini and yellow squash recipe is the perfect solution. It’s unbelievably easy to prepare, packed with fresh garden flavors, and will be on your table in under 10 minutes from start to finish. Embrace the simple pleasures of summer cooking and enjoy!
