Healthy Balance Quiche

Ingredients

• 1 (9-inch) pie crust dough
• 6 slices bacon or turkey bacon
• 1/2 cup onion, chopped
• 1 1/2 cups baby spinach leaves, chopped
• 1 1/4 cups Swiss cheese or mozzarella cheese, shredded
• 5 large eggs, beaten
• 1 1/4 cups half-and-half
• salt, to taste
• pepper, to taste