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Ingredients1 h 35 m servings 387
Original recipe yields 6 servings (1 9-inch quiche)
- Preheat oven to 350 degrees F (175 degrees C).
- Place egg white of 1 egg into a small bowl and whisk with water until foamy. Set the egg yolk aside in a large bowl.
- Fit pie crust into a 9-inch pie dish. Brush egg white mixture over the edges and inside of crust. Poke holes into the inside and up the sides of the crust with a fork.
- Bake crust in the preheated oven until the egg white glaze cooks onto the crust, about 5 minutes.
- Pour any remaining egg white mixture into the large bowl with the yolk; whisk in 2 more eggs and milk until thoroughly combined. Set egg mixture aside.
- Heat canola oil in a large skillet over medium heat; cook and stir mushrooms and onion until the mushroom's liquid has evaporated, 9 to 15 minutes. Season with salt and black pepper.
- Turn off heat and stir spinach into hot mushrooms to wilt. Mix in tarragon, paprika, and cayenne pepper.
- Gently stir mushroom-spinach mixture into eggs and milk. Fold 1 1/4 cup of white Cheddar cheese into the filling.
- Pour mushroom-spinach filling into the prebaked pie crust and arrange slices of zucchini in a decorative pattern on top of the filling. Top with 1/4 cup white Cheddar cheese in an even layer.
- Place the quiche onto a baking sheet and bake in the oven until top is lightly browned and a knife inserted into the middle of the quiche comes out clean, 35 to 40 minutes.
- Allow quiche to cool on the hot baking sheet for 5 minutes before removing to finish cooling on a wire rack until serving temperature, 10 to 15 more minutes.
- Cook's Note:
- If using a lighter milk, let quiche set further in the refrigerator for 2 to 8 hours after baking.
Per Serving: 387 calories; 27.6 20.5 15.8 126 507 Full nutrition
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