Mini Mushroom And Onion Quiche

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Mini Mushroom And Onion Quiche bites recipe

These mini mushroom and onion quiche bites are perfect for entertaining. They can be a passed hors d’ouevre or simply a two bite plate as part of a larger breakfast. I made these along with other dishes when I host brunches so that everyone can have their own and not worry about cutting a slice of a larger quiche. Plus, these are a lot easier than my CINNAMON BANANA SOUFFLÉ or RIBS EGGS BENEDICT in terms of egg breakfast ideas.

store bought tartlet shells
These are the store bought tartlet shells I use.

For these mushroom and onion quiches mini bites I use store-bought tartlet shells. You can of course make your own using my easy pate brisee recipe, but if you have a good store-bakery version you like, there’s no shame in using them. In fact, 90% of the time I use store-bought just because it is so much more convenient.

finely chopped mushrooms and onions
Mushrooms and onion should be finely chopped.

The filling itself is extremely simple. For 12 mini quiches I use 3 large eggs, half a small red onion, and about 150 grams of mushrooms. I know that might sound like a lot of mushrooms, but I do saute them in butter along with the onion which really reduces them in size.

mushroom and onion quiche bites before baking

After I saute the mushroom and onion in some butter for a couple minutes I add them to the beaten eggs. I season with a bit of salt and pepper, along with some garlic powder and paprika. Then I just scoop the filling into the tartlet shells, sprinkle some fresh rosemary, and bake them. I bake at 190 Celsius for 10 minutes, which leaves the inside just perfectly set.

mushroom and onion quiches

I garnish with some fresh chopped basil, but you can leave it off, or use another preferred herb. These two bite quiches are good dressed up or down. You can easily get creative with the ingredients as well, like adding some chopped bell pepper or tomato to the egg mixture. And of course cheese if you want a little heavier dish.

mushroom and onion quiche bites pin

Mini Mushroom And Onion Quiche

These delectable mini quiche bites only need common grocery staples. Mushrooms and onions sauteed in a bit of butter give these mini quiches great flavor, perfect for entertaining.
5 from 1 vote
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Course: Appetizer, Breakfast, Tapas
Cuisine: European, French
Keyword: Brunch Food, Mini Quiches, mushroom and onion quiche
Prep Time: 5 minutes
Cook Time: 15 minutes
Total Time: 20 minutes
Servings: 12 Pieces
Cost: $5


  • Baking Tray
  • Pan
  • Bowl


  • 3 large Eggs beaten
  • 12 Tartlet Shells homemade or store-bought
  • 1/2 small Red Onion finely chopped
  • 150 grams White Button Mushrooms finely chopped. You can use a different type of mushroom if you prefer.
  • 2 tbsp Butter
  • 1 sprig Rosemary
  • 1 tsp Black Pepper freshly cracked
  • 1 tsp Garlic Powder
  • 1/2 tsp Paprika
  • 1/2 tsp Salt or to taste


  • In a pan on medium heat add the butter along with the onion and mushroom. Stir around and let saute for a few minutes until the mushrooms have shrunk drastically and the onion is becoming translucent.
  • Put the beaten eggs in a bowl and add in the sauteed mushroom and onions. Stir the quiche mixture as you are adding the ingredients so that the residual heat doesn't cook the eggs.
  • Add seasonings to the egg mixture and stir again.
  • Take the quiche filling and add it to the tartlet shells. For my shells it was about a tablespoon of filling each. Sprinkle over some freshly plucked rosemary (and grate over cheese if you want to use it) and place in the oven at 190 Celsius for 10-11 minutes.
  • Let rest for a couple minutes, then garnish with freshly chopped basil. Enjoy


These hold quite well in the fridge if you have leftovers, and they microwave great. You can even make them early in the morning, bring them to someone else’s house, and re-heat them in their microwave if you were doing some sort of brunch potluck. 
Did you make this?Mention @CookingToEntertain or tag #cookingtoentertain and let me know how it was!

Mini Mushroom And Onion Quiche

mushroom and onion quiche bites pin
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