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 Impossible Zucchini Quiche?

You need 10 ingredients. The key ingredients include: 2 c. chopped zucchini, 1 c. tomatoes, 1/2 c. onion, chopped, 1/3 c. Parmesan cheese, and more.

Is Impossible Zucchini Quiche suitable as breakfast?

Yes, Impossible Zucchini Quiche falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Impossible Zucchini Quiche?

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

Impossible Zucchini Quiche Recipe

Name: Impossible Zucchini Quiche
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 c. chopped zucchini; 1 c. tomatoes; 1/2 c. onion, chopped; 1/3 c. Parmesan cheese; a sprinkle of oregano, basil and parsley (optional); pepper to taste; 1 1/2 c. milk; 3/4 c. Bisquick mix; 3 eggs; 1/4 tsp. salt

Start your day right with this Impossible Zucchini Quiche recipe. Made with zucchini, tomatoes, onion and Parmesan cheese. Easy step-by-step instruction…

This Impossible Zucchini Quiche relies on simple, everyday ingredients such as chopped zucchini, tomatoes, onion, chopped and parmesan cheese. It comes together quickly and makes 4 servings, at about 292 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's an easy way to start the day, whether you're cooking a relaxed weekend breakfast or need something satisfying before a busy morning. Pair it with fresh fruit or your favorite hot drink to round out the meal.

Updated Jun 30, 2026

Serves 4 Breakfast

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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Impossible Zucchini Quiche

Tips for the best results

Variations & substitutions

My Personal Notes

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