Go Back Email Link
Baked quiche in a glass pie dish with one slice cut and lifted

Bacon, Onion, Spinach, Mushroom and Pepper Jack Cheese Quiche

This Bacon, Onion, Spinach, Mushroom, and Pepper Jack Cheese Quiche is a savory, custard-based dish baked in a flaky crust, layered with smoky bacon, earthy vegetables, and a creamy, slightly spicy cheese blend. It’s rich yet balanced, making it perfect for brunch, entertaining, or an easy make-ahead meal.
Prep Time 25 minutes
Cook Time 40 minutes
Total Time 1 hour 5 minutes
Course Brunch, Main Course
Cuisine American
Servings 6 servings
Calories 450 kcal

Ingredients
  

  • 6 slices bacon
  • 4 large eggs beaten
  • 1 ½ cup whole milk
  • ½ tsp salt
  • ½ tsp garlic salt
  • ½ tsp black pepper
  • 2 cups fresh spinach chopped
  • 2 cups mushrooms chopped
  • ½ cup onion chopped
  • 1 cup shredded pepper jack cheese
  • 1 cup shredded mild cheddar cheese
  • 1 9-inch deep dish pie crust

Instructions
 

  • Preheat your oven to 400°F (200°C).
  • Cook the bacon in a skillet over medium heat until crisp. Drain, crumble, and set aside.
  • In the same pan, sauté the onions, mushrooms, and spinach until softened and excess moisture has evaporated. This step is essential—too much moisture will affect the custard.
  • In a large bowl, whisk together the eggs, milk, salt, garlic salt, and pepper until smooth.
  • Stir in the cooked bacon, sautéed vegetables, and most of the cheese (reserve some for topping).
  • Pour the mixture into the pie crust and top with the remaining cheese.
  • Reduce the oven temperature to 350°F and bake for about 35–40 minutes, or until the center is just set and the top is lightly golden.
  • Let the quiche rest for at least 25 minutes before slicing. This step is non-negotiable—it allows the custard to fully set.
Keyword Breakfast, Brunch, lunch