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 French Vegetable Casserole?

You need 12 ingredients. The key ingredients include: 1 red pepper, 1 green pepper, 1 yellow onion, 2 zucchini, and more.

Is French Vegetable Casserole suitable as vegetarian?

Yes, French Vegetable Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover French Vegetable Casserole?

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

French Vegetable Casserole Recipe

Name: French Vegetable Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 red pepper; 1 green pepper; 1 yellow onion; 2 zucchini; 1/2 eggplant; 4 tomatoes or 1 can 14 1/2 oz. crushed tomatoes; 2 Tbsp. olive oil; 1 - 2 cloves garlic minced; 1 sprig dried or fresh thyme; 1 tsp. basil leaves; 1 Tbsp. chopped parsley; salt & pepper

Try this homemade French Vegetable Casserole recipe the whole family will love. Made with red pepper, green pepper, yellow onion and zucchini. Easy step…

This French Vegetable Casserole relies on simple, everyday ingredients such as red pepper, green pepper, yellow onion and zucchini. It comes together quickly and makes 4 servings, at about 162 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.

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French Vegetable Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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