"This has become a regular in my house we even have it for a Sunday dinner served with salad, how can you go wrong with three different cheeses! I sometimes add in some cooked diced bacon"

Original is 5 servings

Metric US

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Step by Step Method

Step 1

Heat oven to 350°F.

Step 2

Place the thawed pie crust in 9-inch glass pie plate. Using fork, poke holes in the base all over and bake according to package directions.

Step 3

Meanwhile in medium skillet, heat oil. Add mushrooms, red onion slices and garlic; cook over medium-high heat until soft, about 4 to 5 minutes. Cool slightly.

Step 4

In medium bowl, combine milk, spinach, egg whites, eggs, salt and pepper; stir until all ingredients are well combined. Stir in Gouda cheese, cheddar cheese and cooled mushrooms mixture. Pour egg mixture into pie shell.