Go Back

Crustless Mushroom Quiche

A creamy and versatile quiche featuring sautéed mushrooms, shallots, and Gruyere cheese, perfect for breakfast, brunch, or a light dinner.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 8 servings
Course: Breakfast, Brunch, Lunch
Cuisine: French
Calories: 320
Ingredients Method Notes

Ingredients
  

For the Filling
  • 2 Tbsp. unsalted butter Adds a rich flavor.
  • 8 oz. white button mushrooms, sliced Provides an earthy base.
  • 3 shallots, finely chopped Imparts sweetness and mild onion flavor.
  • 1 1/2 cups Gruyere cheese, shredded Creamy cheese that melts beautifully.
  • 1 cup heavy cream Adds depth and smoothness.
  • 1/2 cup whole milk Balances the richness.
  • 4 large eggs, lightly beaten Binds the dish together.
  • 1 Tbsp. Dijon mustard Adds tang to the flavor.
  • 1 1/2 Tbsp. fresh chives, chopped Brings a fresh pop of flavor.
  • 1/2 tsp. kosher salt Enhances flavors.
  • 1/2 tsp. black pepper Adds warmth.
  • 2 Tbsp. grated Parmesan cheese, divided Adds umami richness.

Method
 

Preparation
  1. Preheat your oven to 350°F.
  2. Spray a deep-dish pie plate or oval baking dish with nonstick cooking spray.
Sauté the Vegetables
  1. In a large skillet over medium-high heat, melt the butter.
  2. Add the sliced mushrooms and chopped shallots, cooking until golden brown.
Layer the Filling
  1. Sprinkle the shredded Gruyere cheese and cooked mushrooms into the bottom of the prepared dish.
Prepare the Custard Mixture
  1. In a medium bowl, whisk together the heavy cream, whole milk, eggs, Dijon mustard, chives, salt, pepper, and 1 Tbsp. of the Parmesan cheese.
Combine and Bake
  1. Pour the custard mixture over the cheese and mushroom layer in the baking dish.
  2. Sprinkle the remaining Parmesan cheese on top.
  3. Bake for 30-35 minutes, or until the top is light golden brown and the center has set.
Cool and Serve
  1. Remove the quiche from the oven and allow it to cool for 5-10 minutes before slicing.
  2. Cut into wedges and serve warm.

Notes

Consider mixing different types of mushrooms for added texture. You can also try various cheeses or add greens like spinach or kale for a unique twist. This quiche pairs well with a side salad or breakfast potatoes.