Summer Squash Skillet
This squash Parmesan skillet has only a few simple ingredients and tons of flavor: yellow squash, zucchini, garlic and canned tomatoes bubble together until tender, then are covered in a layer of melted Mozzarella and a sprinkle of Italian herbs. This is a straightforward one-pan dish that works as a hearty side or a simple vegetarian main.
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Why this works
Yellow squash and zucchini are two of the most forgiving vegetables. They don't need babysitting, they don't get mushy at the first sign of heat, and they absorb whatever flavor you throw at them without complaint. Canned tomatoes can do the sauce work for you and a blanket of melted mozzarella finishes the whole thing in a way that feels vaguely impressive for a weeknight.
From a hormone standpoint, this skillet is earning its place on your plate. Zucchini and yellow squash are low-starch and high-water, meaning they won't spike your blood sugar and then leave you face-down on the couch by 8 p.m. Olive oil supports estrogen metabolism and keeps systemic inflammation from quietly running the show. Canned tomatoes are a reliable source of lycopene, a carotenoid linked to hormone detox pathways that the perimenopausal body genuinely needs. The mozzarella adds calcium and a protein floor. If you want to build that protein ceiling a little higher, add a fried egg on top or stir in a can of white beans before the cheese goes on.
Ingredients:
2 tbsp (30 ml) extra virgin olive oil
2 cloves garlic, minced
2 medium yellow squash (300 g), cut into rounds and halved
2 medium zucchini (200 g), cut into rounds and halved
1 can (794 g / 28 oz) diced or crushed tomatoes
1 tbsp (3 g) Italian seasoning
ΒΌ tsp (1.5 g) salt
Β½ tsp (1 g) ground black pepper
1 cup (113 g) shredded mozzarella cheese
How to make this
Heat the olive oil in a large skillet over medium heat. Add the garlic and let it cook for about one minute, until it smells like garlic is supposed to smell and not like regret.
Add the yellow squash and zucchini. Cook for four to five minutes, stirring occasionally, until they start to soften and pick up a little color at the edges.
Add the tomatoes, Italian seasoning, salt, and pepper. Stir everything together and let it simmer uncovered for eight to ten minutes. You want the liquid to reduce slightly so you have a saucy skillet and not a soup situation.
Scatter the mozzarella evenly over the top. Cover the pan with a lid and let the cheese melt for two to three minutes. Serve.
Real talk: Canned tomatoes for the win
Canned tomatoes are a shortcut and also a strategy. San Marzano or no-salt-added diced tomatoes will give you the best flavor here, but use whatever is in your pantry because the whole point is simplicity. If your squash is releasing a lot of water partway through cooking, just give it a few extra minutes uncovered before the cheese goes on.
This works as a side next to grilled chicken or fish. It also reheats exceptionally well, which means tomorrow's lunch is already handled.
Storage and reheat
Store leftovers in an airtight container in the refrigerator for up to four days. Reheat in a skillet over medium-low heat with a splash of water to loosen things up, or microwave covered in two-minute intervals until heated through.
Frequently Asked Questions (FAQβs)
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Either works. If you only have zucchini, use all zucchini. If you only have yellow squash, same answer. The flavor difference is subtle enough that no one at your table will notice
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Skip the mozzarella and top with nutritional yeast or a dairy-free shredded cheese. The tomato-squash base is already completely plant-based.
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Absolutely. Spinach wilts in beautifully during the last two minutes of simmering. Sliced mushrooms can go in with the squash. Diced bell pepper works if you have one that needs to be used.
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For four servings, yes. If want a saucier result, add a half cup of vegetable broth.
Before You Go
If this made meal time a little easier, leave a comment below or a review on the recipe card. Tell me what you swapped or what you added.
Melissa

Summer Squash Parmesan
Ingredients
- 2 tablespoons extra-virgin olive oil
- 2 cloves garlic, minced, or 1 teaspoon dried garlic powder
- 1 can (28 oz) diced or crushed tomatoes
- Β½ teaspoon each salt and ground black pepper
- 1 Tablespoon Italian seasoning or 1 teaspoon dried basil
- 2 medium yellow squash (crookneck), cut into rounds
- 1 medium zucchini (courgette), cut into rounds
- 1 cup shredded mozzarella cheese
- ΒΌ cup grated Parmesan cheese, optional
Instructions
- In a 12-inch skillet over medium heat, heat the olive oil. Add the zucchini, garlic and Italian seasoning and sautΓ© until the squash is softened, about 5 minutes. Add β of the tomatoes and Β½ tsp each salt and pepper, stir gently to combine. Cover with a lid or a square of aluminum foil and simmer, stirring occasionally, for 20 minutes or until the squash is fork tender.
- Top with the mozzarella and remaining tomatoes and sprinkle with the Parmesan. Cover again and cook, without stirring, until the juices are bubbling and the cheese is melted, about 7 minutes.
- Serve warm or at room temperature.
Notes
MELISSAβS TIPS AND TRICKS
- For more depth of flavor, you can slice and grill the squash which gives the squash lovely hatch marks and the dish a lightly smoked flavor enhancer
- If you donβt have a lid to fit your pan, use a square of aluminum foil
- It doesnβt matter if you cut the squash in long slices, rounds or rounds cut in half, do whatever fits in your skillet as long as itβs easy to stir when needed
- You could also include eggplant (aubergine) if you have it and you canβt go wrong with a sliced, roasted red pepper from a jar if you have room for it in the skillet
- Another option is to add a few βno-cookβ lasagna noodles when you first add the tomato sauce for a vegetarian skillet lasagna! It might require adding a little water for the noodles to absorb. Again, make sure you have room in your skillet or make adjustments with the amount of squash used to account for the lasagna noodles. Break up the noodles if, needed.
Nutrition Facts
Calories
235Fat (grams)
16 gSat. Fat (grams)
6 gFiber (grams)
4 gNet carbs
11 gSugar (grams)
8 gProtein (grams)
12 gSodium (milligrams)
427 mgCarbs (grams)
15 gCholesterol (grams)
28 mgCalcium
276 mgFolic Acid
0 Β΅gIron
3 mgMagnesium
58 mgPotassium
744 mgVitamin B12
1 Β΅gVitamin C
35 mgVitamin D
0 Β΅gVitamin E
3 mgVitamin K
24 Β΅gNutrition info provided as a courtesy and basic guideline. The accuracy of the nutritional information for any recipe on this site is not guaranteed. View Nutrition Disclosure

