Keto Spring Hash Brown Crust Quiche
A creative twist on traditional quiche featuring a crispy hash brown crust instead of pastry. Filled with caramelized shallots, fresh asparagus, and sharp white cheddar in a creamy custard base infused with thyme. The frozen hash brown crust creates a golden, crispy foundation that holds up beautifully to the rich filling. Perfect for brunch entertaining or a light dinner, this recipe offers the comfort of quiche with an unexpected potato element that adds texture and heartiness.
Ingredients
- 20 ounces frozen hash browns, thawed
- ½ cup shredded white cheddargruyere1:1dairydairy-free
nuttier flavor
- ½ teaspoon salt
- ¼ teaspoon cracked black pepper
- 2 tablespoons unsalted butter
- 3 shallots, sliced into thin wedgesyellow onion1:1allium
stronger flavor
- ½ pound asparagus, cut into 1 inch pieces
- 6 large eggs, lightly beaten
- ⅝ cup heavy cream, or whole milk
- 1 cup shredded white cheddar cheesegruyere1:1dairydairy-free
nuttier flavor
- 1 tablespoon thyme, minced
- salt and pepper, to taste
Instructions
- 1
Squeeze liquid from thawed hash browns and mix with cheddar, salt and pepper
- 2
Press hash brown mixture into greased springform pan bottom and sides, ensuring no holes
- 3
Freeze crust for at least 30 minutes
- 4
Preheat oven to 425°F
- 5
Par-bake frozen crust for 15 minutes, then cool slightly
- 6
Melt butter in skillet over medium heat and caramelize shallots for 10 minutes
- 7
Add asparagus to skillet and caramelize for 5 minutes, season with salt and pepper
- 8
Whisk eggs and cream until light and fluffy
- 9
Stir in remaining cheddar, thyme, and caramelized vegetables, season to taste
- 10
Pour filling into par-baked crust
- 11
Lower oven to 375°F and bake for 25 to 30 minutes until eggs barely set
- 12
Score perimeter with knife, loosen springform sides, and bake 10 to 15 minutes more
- 13
Cool for 10 minutes before slicing into wedges
Tips
Squeeze hash browns thoroughly in a clean kitchen towel to remove excess moisture for a crispier crust
Freeze the crust completely before par-baking to prevent shrinkage and maintain shape
Score the perimeter before the final bake to prevent the sides from pulling away during cooking
Good to Know
Refrigerate covered for up to 3 days
Assemble filling day before and refrigerate, add 10 minutes to baking time
Serve warm or at room temperature with mixed greens
Common Mistakes
Press hash browns firmly to avoid cracks that cause leaking
Don't skip freezing step or crust will shrink during baking
Remove excess moisture from hash browns to prevent soggy crust
Substitutions
Dairy-Free Swaps
General Alternatives
stronger flavor
FAQ
Can I make this without a springform pan?
Yes, use a deep pie dish but you won't get the crispy sides effect. Press hash browns up the sides and bake as directed.
How long will leftovers keep?
Store covered in refrigerator for up to 3 days. Reheat individual slices in 350°F oven for 10 minutes to restore crispness.
Can I freeze the baked quiche?
Yes, wrap tightly and freeze for up to 2 months. Thaw overnight in refrigerator and reheat in 350°F oven until warmed through.