How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Quick Summer Squash And Bell Pepper Gratin?

You need 13 ingredients. The key ingredients include: 2 tablespoons olive oil, divided, 1 cup thinly vertically sliced onion, 1 cup sliced orange bell pepper, 1 large garlic clove, minced, and more.

Is Quick Summer Squash And Bell Pepper Gratin suitable as vegetarian?

Yes, Quick Summer Squash And Bell Pepper Gratin falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Quick Summer Squash And Bell Pepper Gratin?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Quick Summer Squash And Bell Pepper Gratin Recipe

Name: Quick Summer Squash And Bell Pepper Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons olive oil, divided; 1 cup thinly vertically sliced onion; 1 cup sliced orange bell pepper; 1 large garlic clove, minced; 1/4 cup dry white wine; 3/8 teaspoon kosher salt; 3/8 teaspoon black pepper; 1 1/2 cups thinly sliced zucchini; 1 1/2 cups thinly sliced yellow squash; 2 1/2 ounces whole-wheat bread; 1 tablespoon chopped fresh oregano; 1 ounce Parmesan cheese, grated (about 1/4 cup); 1 teaspoon sherry vinegar

Try this homemade Quick Summer Squash And Bell Pepper Gratin recipe the whole family will love. Made with olive oil, onion, orange bell pepper and garli…

This Quick Summer Squash And Bell Pepper Gratin relies on simple, everyday ingredients such as olive oil, divided, sliced orange bell pepper, large garlic clove, minced and dry white wine. It comes together quickly and makes 4 servings, at about 202 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Quick Summer Squash And Bell Pepper Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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