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A rustic wooden table set with a plate of Three Cheese, Florentine, and Spinach & Swiss mini quiches, served with herbs and dipping sauces.

How to Cook Costco Mini Quiche

Learn how to perfectly heat Costco mini quiches using either an oven or air fryer. This quick and easy method delivers a crisp crust and warm, flavorful filling every time.
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Cook Time 15 minutes
Total Time 15 minutes
Course Appetizer
Cuisine American
Servings 6 Sirves
Calories 160 kcal

Ingredients
  

12 frozen Costco mini quiches (Three Cheese, Florentine, Spinach & Swiss – no bacon)

Optional: olive oil spray

Optional: fresh herbs for garnish

Instructions
 

  • Step 1 – Preheat Oven or Air Fryer:Preheat oven to 375°F or air fryer to 350°F.
    Step 2 – Arrange the Quiches:Place frozen mini quiches on a parchment-lined baking sheet (for oven) or in a single layer in the air fryer basket. Do not thaw.
    Step 3 – Cook Until Golden:Oven: Bake for 12–15 minutes.Air Fryer: Cook for 8–10 minutes, shaking the basket halfway through.
    Step 4 – Let Rest & Serve:Let the quiches rest for 2 minutes before serving. Garnish with fresh herbs if desired.

Notes

  • Do not thaw before cooking.
  • Air fryer method gives a slightly crisper finish.
  • Store leftovers in the refrigerator and reheat in the oven or air fryer for best texture.
Keyword air fryer mini quiche, Costco mini quiche, frozen appetizers, oven baked mini quiche, vegetarian quiche