Gluten-Free Crustless Bacon Swiss Quiche

A rich, protein-packed quiche that eliminates the pastry crust while maintaining all the classic Lorraine flavors. Crispy bacon pieces meld with Swiss, mozzarella, and Parmesan cheeses in a silky egg custard base, enhanced with green onions and a hint of cayenne heat. Perfect for brunch entertaining, meal prep, or using up leftover bacon and cheese. The crustless preparation makes it naturally lower in carbs while keeping the indulgent taste that makes quiche a favorite. Puffs dramatically during baking before settling into a dense, custardy texture that slices beautifully.
Ingredients
- 8 slices bacon
- ½ cup green onions, sliced, white part preferred
- 1 ½ cups Swiss cheese, grated
- ½ cup Mozzarella cheese, grated
- ¼ cup Parmesan cheese, coarsely grated
- fresh ground black pepper, to taste
- ¼ tsp Spike Seasoning(optional)Italian seasoning1:1pantry-friendly
different flavor profile
- ⅛ tsp Cayenne Pepper(optional)
- 8 eggs
- ¾ cup half and half
- 2 tbsp green onion, diagonally sliced, green part preferred, for garnish
Instructions
- 1
Preheat oven to 350F and spray 9-10 inch pie dish with nonstick spray
- 2
Cook bacon until very crisp, blot excess fat, and crumble
- 3
Slice green onions and grate cheese if needed
- 4
Layer bacon, green onions, Swiss cheese, mozzarella cheese, and Parmesan cheese in pie dish
- 5
Season with ground pepper, Spike Seasoning, and cayenne pepper
- 6
Beat eggs until yolks and whites are completely combined, then whisk in half and half
- 7
Pour egg mixture over other ingredients and gently stir with fork to combine
- 8
Bake 45 minutes or until center is firm and top is browned
- 9
Serve warm, garnished with green onions if desired
Tips
Use pre-cooked bacon and crisp it in the microwave for 1 minute to save time, then blot excess fat thoroughly.
The quiche will puff dramatically during baking but settles into a dense, custardy texture as it cools.
Grate your own cheese for better melting and flavor compared to pre-shredded varieties.
Good to Know
Refrigerate for several days
Can be made ahead and reheated in microwave
Serve warm
Common Mistakes
Blot bacon fat thoroughly to avoid greasy quiche
Beat eggs completely to ensure smooth custard texture
Substitutions
Dairy-Free Swaps
General Alternatives
FAQ
Can I make this ahead of time?
Yes, this quiche keeps in the refrigerator for several days and reheats well in the microwave, making it perfect for meal prep.
What if I don't have Spike Seasoning?
You can substitute any seasoning blend that works well with eggs, such as Italian seasoning, herb blend, or even garlic powder and herbs.
Can I freeze this quiche?
While not mentioned in the source, baked quiche typically freezes well for up to 3 months when wrapped properly.