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 Mushroom And Leek Quiche?

You need 13 ingredients. The key ingredients include: 6 large mushrooms, sliced, 1 large leek, thinly sliced, 3 Tbsp. butter, 1 Tbsp. oil, and more.

Is Mushroom And Leek Quiche suitable as breakfast?

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

How do I store leftover Mushroom And Leek Quiche?

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

Mushroom And Leek Quiche Recipe

Name: Mushroom And Leek Quiche
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6 large mushrooms, sliced; 1 large leek, thinly sliced; 3 Tbsp. butter; 1 Tbsp. oil; 1 Tbsp. flour; 6 oz. Swiss cheese, shredded; 2 Tbsp. parsley, minced; 4 large eggs; 1 1/3 c. half and half; 1 tsp. salt; freshly ground pepper; 1 tsp. dried oregano; prebaked pie shell

Start your day right with this Mushroom And Leek Quiche recipe. Made with mushrooms, butter, oil and flour. Easy step-by-step instructions included.

This Mushroom And Leek Quiche relies on simple, everyday ingredients such as large mushrooms, sliced, large leek, thinly sliced, butter and oil. It comes together quickly and makes 4 servings, at about 579 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

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

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Mushroom And Leek Quiche

Tips for the best results

Variations & substitutions

My Personal Notes

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