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 Individual Stuffed Portobello Mushroom "Quiches"?

You need 10 ingredients. The key ingredients include: 1 (10 ounce) box frozen spinach, defrosted and squeezed dry, 3 large eggs, 1/3 cup fresh lemon juice, 2 tablespoons fresh thyme leaves, and more.

Is Individual Stuffed Portobello Mushroom "Quiches" suitable as breakfast?

Yes, Individual Stuffed Portobello Mushroom "Quiches" falls under the Breakfast category and is a great choice for this type of meal.

How do I store leftover Individual Stuffed Portobello Mushroom "Quiches"?

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

Individual Stuffed Portobello Mushroom "Quiches"

Name: Individual Stuffed Portobello Mushroom "Quiches"
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (10 ounce) box frozen spinach, defrosted and squeezed dry; 3 large eggs; 1/3 cup fresh lemon juice; 2 tablespoons fresh thyme leaves; 1/4 teaspoon freshly ground nutmeg; 1 cup mashed sheep's milk feta cheese; 1 tablespoon olive oil; 4 large portabella mushrooms, stemmed and wiped with a damp paper towel; salt (very little, if any, as feta is salty); generous grinding black pepper

Start your day right with this Individual Stuffed Portobello Mushroom "Quiches" recipe. Made with frozen spinach, eggs, lemon juice and thyme. Easy step…

This Individual Stuffed Portobello Mushroom "Quiches" relies on simple, everyday ingredients such as large eggs, fresh lemon juice, fresh thyme leaves and freshly ground nutmeg. It comes together quickly and makes 4 servings, at about 295 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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Individual Stuffed Portobello Mushroom "Quiches"

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions