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 Crustless Mushroom-Spinach Quiche?

You need 15 ingredients. The key ingredients include: 1-1/2 cups sliced fresh mushrooms, 1-1/2 cups thinly sliced zucchini, 1 cup chopped green pepper, 1/2 cup chopped onion, and more.

Is Crustless Mushroom-Spinach Quiche suitable as breakfast?

Yes, Crustless Mushroom-Spinach Quiche falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Crustless Mushroom-Spinach Quiche?

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

Crustless Mushroom-Spinach Quiche Recipe

Name: Crustless Mushroom-Spinach Quiche
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1-1/2 cups sliced fresh mushrooms; 1-1/2 cups thinly sliced zucchini; 1 cup chopped green pepper; 1/2 cup chopped onion; 1 garlic clove, minced; 2 teaspoons canola oil; 1 carton (15 ounces) part-skim ricotta cheese; 1-1/4 cups egg substitute; 1 package (10 ounces) frozen chopped spinach, thawed and squeezed dry; 3/4 cup crumbled feta cheese; 1 tablespoon minced fresh parsley; 1-1/2 teaspoons minced fresh thyme; 1/2 teaspoon salt; 1/4 teaspoon pepper; 2 medium tomato, seeded and chopped

Start your day right with this Crustless Mushroom-Spinach Quiche recipe. Made with mushrooms, zucchini, green pepper and onion. Easy step-by-step instru…

This Crustless Mushroom-Spinach Quiche relies on simple, everyday ingredients such as sliced fresh mushrooms, thinly sliced zucchini, chopped green pepper and chopped onion. It comes together quickly and makes 4 servings, at about 310 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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Crustless Mushroom-Spinach Quiche

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions