Cheesy Zucchini with Peppers and Mozzarella

About the author: Susan Updated on Sun, 08 Jun 2025 20:57:56 GMT Side Dishes

Tags: #zucchini #mozzarella #vegetarian #gluten-free #baked

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Susan

Home cook, recipe developer and founder of My Home Made Recipe, sharing the tested dishes my family loves.

Updated on Sun, 08 Jun 2025 20:57:56 GMT

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Cheesy zucchini with peppers, tomatoes, mozzarella, and parsley in a baking dish Pin it
Cheesy zucchini with peppers, tomatoes, mozzarella, and parsley in a baking dish

Cheesy Zucchini with Peppers and Mozzarella is the kind of bake I make when the vegetable drawer is full and dinner needs one easy side. The zucchini softens without falling apart, the peppers stay a little sweet, and the mozzarella melts into the corners.

The main thing is not to drown the pan. Cut the vegetables into chunky pieces, spread them out, and give them enough oven heat to roast before the final layer of cheese goes on.

The Vegetable Cheese Lineup

Choose firm zucchini with smooth skins and peppers that feel heavy for their size. A block of mozzarella melts smoother than many pre-shredded bags, but either works when dinner is moving fast.

Raw zucchini, green pepper, tomatoes, onion, mozzarella, herbs, and olive oil
Raw zucchini, green pepper, tomatoes, onion, mozzarella, herbs, and olive oil
  • Zucchini. Gives the bake its tender base and soaks up the herbs, oil, and cheese.
  • Bell pepper. Adds sweetness, color, and a little bite against the soft zucchini.
  • Onion. Bakes into the pan juices and makes the whole dish taste fuller.
  • Grape tomatoes. Bring juicy pockets of acidity so the cheese does not feel heavy.
  • Olive oil. Helps the vegetables roast instead of drying out.
  • Garlic powder. Coats the vegetables evenly without little bits burning in the oven.
  • Italian seasoning. Adds the basil, oregano, and thyme flavor that fits the mozzarella.
  • Mozzarella. Melts through the vegetables and forms the bubbly top layer.
  • Parsley and chili flakes. Finish the dish with freshness and gentle heat.

Bake It Until Bubbly

  1. Heat the oven. Set the oven to 375°F and place a rack in the center so the vegetables soften evenly.
  2. Season the vegetables. Toss diced zucchini, bell pepper, onion, and tomatoes with olive oil, garlic powder, Italian seasoning, salt, and black pepper until everything looks glossy.
  3. Add the first cheese. Fold in half the mozzarella so some cheese melts down into the vegetables.
  4. Start the bake. Spread the mixture in a 9x13-inch baking dish. Bake uncovered for about 20 minutes, until the zucchini is just tender.
  5. Top and finish. Scatter the remaining mozzarella over the top and bake 8-10 minutes more, until melted and lightly golden.
  6. Garnish and serve. Rest for 5 minutes, then add parsley and chili flakes if you like a little heat.
Cheesy Zucchini with Peppers and Mozzarella
Cheesy Zucchini with Peppers and Mozzarella

Cheesy Zucchini With Peppers

This recipe sits between a roasted vegetable side and a loose casserole. The vegetables are not meant to be dry or crisp. They should be tender, glossy, and easy to scoop, with enough cheese to pull slightly when you lift a spoonful.

The best texture comes from spreading the vegetables in a wide dish. A crowded pan traps steam and makes the zucchini slump too quickly. If your baking dish is small, use two smaller dishes or a rimmed pan. For another zucchini side with a little more browning, try skillet zucchini and mushrooms.

The Water Problem

Zucchini holds a lot of moisture, so a little juice in the bottom of the dish is normal. The goal is to avoid a watery puddle. Larger chunks help because they lose moisture more slowly than thin slices. Baking uncovered matters too.

If your zucchini is huge from the garden, slice it lengthwise and scrape out the soft seeded center before chopping. You can also salt the cut zucchini for 10 minutes, then pat it dry. That step is optional for small store-bought zucchini, but useful for oversized ones. For more vegetable guidance, the MyPlate vegetable guide is a steady reference for building vegetable-heavy meals.

Smart Swaps That Work

Green bell pepper gives this dish a sharper flavor, while red or yellow pepper makes it sweeter. Cherry tomatoes can stand in for grape tomatoes. Monterey Jack, provolone, or a little parmesan can replace part of the mozzarella, though mozzarella gives the softest pull.

If you want more protein, fold in cooked Italian sausage, shredded chicken, or chickpeas before baking. Keep the added protein already cooked so the vegetables do not overbake. If you are cooking for a meatless table, this pairs nicely with Scarpaccia zucchini tart or a simple green salad.

Serving It Well

Spoon this next to grilled chicken, fish, steak, or burgers. It also makes a cozy vegetarian plate over rice or pasta because the tomato and zucchini juices act like a light sauce. For a bigger vegetable spread, serve it with garlic herb roasted potatoes, carrots, and zucchini.

If you want a brunch version, warm the leftovers in a small baking dish, make two wells, and crack in eggs. Bake until the whites set. The cheese gets browned again and the vegetables taste even deeper.

Storing The Leftovers

Let leftovers cool, then refrigerate them in a covered container for up to 4 days. The USDA has helpful basics on leftovers and food safety, including the importance of chilling cooked food promptly.

For reheating, the oven is best. Use 350°F and keep the dish uncovered until hot. The microwave is fine for lunch, but the vegetables will soften more. If you like cheesy zucchini recipes, cheesy garlic zucchini steaks are another easy side with a firmer bite.

Summary

Serve this zucchini and pepper bake as a side with grilled meat, spoon it over rice, or add a fried egg and call it dinner.

Cheesy Zucchini with Peppers and Mozzarella
Cheesy Zucchini with Peppers and Mozzarella

FAQs

How do I keep cheesy zucchini from getting watery?

Cut the zucchini into larger chunks and bake it uncovered so steam can escape. If your zucchini is very seedy, scoop out the soft center before dicing.

Can I use red or yellow bell peppers instead of green?

Yes. Red, yellow, and orange peppers taste sweeter than green pepper and work beautifully here. Use one large pepper or a mix of colors.

Can I make this zucchini bake ahead?

You can chop the vegetables and shred the cheese up to a day ahead. For the best texture, bake it right before serving and add the final cheese layer near the end.

What can I serve with cheesy zucchini and peppers?

Serve it with grilled chicken, pork chops, baked fish, or a simple pasta. It also works as a light vegetarian meal with rice, quinoa, or toasted bread.

Can I make it dairy-free?

Use a good melting plant-based mozzarella and check the package for baking directions. The flavor will be different, but the vegetables and seasoning still carry the dish.

How long do leftovers keep?

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat uncovered in a 350°F oven until hot so the top has a chance to firm up again.

References

Sources cited in this recipe.
4.20 from 18 votes

Cheesy Zucchini with Peppers and Mozzarella

Prep time:
15 min
Cook time:
30 min
Total time:
45 min
Servings:
6
Cheesy zucchini with peppers, tomatoes, mozzarella, and parsley in a baking dish

Tender zucchini, bell peppers, onion, tomatoes, and mozzarella baked until bubbly, golden, and easy to scoop.

Ingredients

  • Vegetables

  • 2 large zucchini, diced into 3/4-inch pieces
  • 1 large green bell pepper, diced
  • 1 medium yellow onion, diced
  • 1 cup (150 g) grape tomatoes, halved
  • Seasoning and cheese

  • 2 tablespoons extra-virgin olive oil
  • 1 teaspoon garlic powder
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon fine salt, plus more to taste
  • 1/2 teaspoon black pepper
  • 1 1/2 cups (170 g) shredded mozzarella cheese, divided
  • 1 tablespoon chopped fresh parsley
  • 1/4-1/2 teaspoon crushed red pepper flakes, optional

Instructions

1.

1. Heat the oven: Preheat the oven to 375°F. Lightly oil a 9x13-inch baking dish or coat it with cooking spray.

2.

2. Season the vegetables: In a large bowl, toss the zucchini, bell pepper, onion, and tomatoes with olive oil, garlic powder, Italian seasoning, salt, and black pepper until evenly coated.

3.

3. Fold in cheese: Add 3/4 cup of the mozzarella and toss gently so the cheese is mixed through the vegetables.

4.

4. Bake the vegetables: Spread the mixture in the prepared baking dish. Bake uncovered for 20 minutes, until the zucchini is just tender and the tomatoes have started to soften.

5.

5. Add the topping: Sprinkle the remaining 3/4 cup mozzarella over the top. Return to the oven for 8-10 minutes, until the cheese is melted and lightly golden at the edges.

6.

6. Rest and garnish: Let the bake rest for 5 minutes. Sprinkle with parsley and red pepper flakes, then serve warm.

Good to know

  1. Best served warm after a 5-minute rest.
  2. Cut vegetables into similar sizes so they cook evenly.
  3. For a browner top, broil for 1-2 minutes at the end and watch closely.

Equipment

  • 9x13-inch baking dish
  • Large mixing bowl
  • Chef's knife
  • Cutting board

Allergens

Always check labels if you have allergies.
  • Dairy

Nutrition facts

Values are estimates per serving.
  • Calories: 165
  • Fat: 11 g
  • Carbs: 8 g
  • Protein: 8 g