Top 10 Reasons to Love Costco Mini Quiche: Honest Review, Flavors & Cooking Tips

If you’ve walked through the frozen aisle at Costco, you’ve likely come across the popular Costco mini quiche. These bite-sized pastries are flaky, rich in flavor, and perfect for brunch, events, or easy weekday snacks.

While they’re convenient and crowd-pleasing, many shoppers wonder what’s really inside the box and how they compare to other options. This guide will cover everything you need to know—from ingredients and cooking methods to taste reviews and nutrition insights.

Curious about making better frozen food choices? Learn how to read food labels effectively with the FDA’s official guide to nutrition labeling.

For those using an air fryer, refer to this frozen food air fryer time and temperature chart to make your mini quiche extra crispy without overcooking.

What’s Inside the Box?

Costco mini quiche, made by Cuisine Adventures, come frozen and ready to heat. Each box contains 72 pieces in four different flavors:

  • Three Cheese
  • Spinach & Swiss Cheese
  • Florentine (spinach, cheese, and sautéed onion)
  • Swiss Cheese & Bacon

The quiches are about 2 inches in diameter, fully cooked, and nestled in a buttery crust. Their small size makes them great as finger food or light meals.

How to Cook Costco Mini Quiche

Split image showing vegetarian Costco mini quiches baking in a conventional oven and air fryer, with golden crust forming.
Oven and air fryer methods deliver the perfect crisp on Costco mini quiches.

There are three main ways to heat these mini quiches:

Oven (Best for Texture)

  • Preheat to 375°F (190°C)
  • Place on a baking sheet
  • Bake for 12–15 minutes
  • No need to thaw

Air Fryer (Quickest + Crispy)

  • Preheat to 350°F
  • Air fry for 8–10 minutes
  • Shake halfway through for even cooking
  • Microwave 2–3 quiches on high for 1–2 minutes
  • Texture may be softer and less crisp

Quick Tips:

  • Always cook from frozen
  • Let sit for a few minutes after heating
  • Add fresh herbs or dips for presentation

Flavor Review

Each flavor offers a slightly different profile:

  • Three Cheese: Rich and cheesy, great for those who love bold dairy flavors.
  • Spinach & Swiss Cheese: Milder, soft in texture, a subtle spinach finish.
  • Florentine: Well-balanced with creamy spinach, herbs, and onion notes.
  • Swiss Cheese & Bacon: Smoky and salty; meat lovers will enjoy this one most.

The crust is flaky and buttery, and the fillings have just enough seasoning to stand out without overpowering.

Pros and Cons

Pros

  • Quick and easy to prepare
  • Includes vegetarian-friendly options
  • Excellent for parties, potlucks, or lazy brunches
  • Good value with 72 pieces per box

Cons

  • High in sodium (250–300 mg per piece)
  • Contains common allergens (gluten, dairy, eggs)
  • Not suitable for low-carb or keto diets

Comparison With Other Brands

Close-up of Three Cheese, Florentine, and Spinach & Swiss mini quiches sliced open on a wooden tasting board to show their fillings.
See the difference: Each vegetarian mini quiche flavor offers a unique blend of taste and texture.

Here’s how Costco mini quiche compares with Trader Joe’s and Sam’s Club alternatives:

BrandQuantityFlavor VarietyTexturePrice Range
Costco724Flaky & crisp$14.99–$16.99
Trader Joe’s~122–3 (seasonal)Softer crust$5.99–$6.99
Sam’s Club603Denser pastry$11.99–$13.99

Costco offers the best value per piece, with the widest flavor range and strong texture.

Creative Serving Ideas

A vibrant brunch board featuring vegetarian mini quiches, baked sweet peppers with goat cheese and balsamic glaze, croissants, and fruit.
Elevate your brunch with mini quiches and colorful veggie sides like sweet peppers with goat cheese.

To elevate your mini quiches beyond the box, consider:

  • Brunch Boards: Pair with fresh fruit, croissants, and jam
  • Appetizer Platters: Add charcuterie, nuts, and dips
  • Mini Meals: Serve with soup or salad for lunch
  • Garnish Upgrades: Try sour cream, chives, or a light drizzle of balsamic

For a colorful and flavorful side, serve them alongside these baked sweet peppers with goat cheese and balsamic vinegar. They add a vibrant contrast and pair beautifully with the rich, savory quiches.

Nutrition & Ingredients

Each Costco mini quiche contains:

  • 70–90 calories
  • 5g fat
  • 3g protein
  • 7g carbs

These snacks are not marketed as healthy, but in moderation, they fit into many diets. The bacon version is not vegetarian, but other flavors like Florentine and Three Cheese are meat-free.

Common allergens include:

  • Milk
  • Eggs
  • Wheat/gluten

They are not gluten-free or dairy-free.

Availability and Price

Costco mini quiche are usually stocked:

  • During holidays (Thanksgiving, Christmas, Easter)
  • In the frozen appetizers section
  • For $14.99 to $16.99 per box of 72 pieces

They may also appear on delivery platforms like Instacart, but prices can vary due to third-party fees and location.

Storage and Shelf Life

Keep your box frozen until ready to use. Once opened:

  • Reseal with plastic or store in a zip-top freezer bag
  • Do not refreeze after thawing
  • Once cooked, store leftovers in the refrigerator for up to 3 days

To reheat leftovers, use the oven or air fryer for best results.

Frequently Asked Questions (FAQs)

How do you heat up Costco mini quiche?
Use an oven or air fryer for best texture. Microwave if you’re in a rush.

Are Costco mini quiches healthy?
They’re not especially healthy, but manageable in moderation. Watch the sodium content.

Can you microwave them?
Yes, but the texture may be soft or soggy.

Are they good for parties?
Absolutely—they’re bite-sized and easy to serve.

Can you reheat them after cooking?
Yes. Store in the fridge and reheat using an oven or air fryer for crispiness.

Final Thoughts

Costco mini quiche offers a convenient, tasty solution for anyone looking to serve an easy appetizer, create a brunch board, or stock up on frozen snacks. With four flavor options and a generous serving size, they’re well worth the freezer space—especially around the holidays.

Whether you’re hosting, meal-prepping, or just love the idea of gourmet-style snacks ready in minutes, these little quiches deliver on value and flavor.

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.
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

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