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Mini Onion and Bacon Tarts

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Bree HesterBy Bree Hester
Bree Hester
Bree Hester Founder of Baked Bree

Bree Hester is the recipe developer, writer and food photographer behind Baked Bree. She started Baked Bree in February 2010 as a love letter to anyone that has ever come to her house for a meal. O…

Expertise: Recipe developer, food photographer and writer View all posts →
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Missing the flavors of Europe? Transport your taste buds with these Mini Onion and Bacon Tarts! Crispy flatbread crust, creamy sour cream base, melty cheese, and crispy bacon make for a mouthwatering appetizer or meal.

Cream cheese bacon stuffed mini bagels. Delicate, savory, and perfect for brunch or appetizers.

When we lived in Germany, we traveled quite a bit and spent a lot of time in the Alsatian region because of how close we were to France. On every menu, there is a flammkuchen, which is the German version of a tarte flambée. We probably ate 847 flammkuchen in the two years we lived in Europe. 

It is reminiscent of pizza, in that it is round and on a crust, but the crust is paper-thin, more like a cracker. You can find them with different toppings, but 99% of the time, they are made with a layer of crème fraîche and topped with speck and onion. 

Now that we have been at home for what feels like forever, we are really missing the days when we packed our bags and hit the road. So instead of adventuring out, we are adventuring in. We are traveling and remembering our adventures through food. I made these mini onion and bacon tarts and they brought us back to the weekends at the Biergarten in Germany. 

These little guys are super easy to make and hit the spot. Serve as an appetizer with a beverage, or as a meal with a salad. You can also make one large tart too. This is a very versatile recipe.

Cream cheese and sour cream dip with bacon and herbs.

Mini Onion and Bacon Tarts Ingredients

You will need flatbread dough (store-bought or homemade), Hood Sour Cream, salt, pepper, nutmeg, shredded cheese, sliced onions, cooked bacon, and fresh herbs. 

  • Flatbread Dough. I purchased two packages of flatbread dough from the refrigerator section of my grocery store. You can also use pizza crust rolled very thin or make your own using your favorite recipe. 
  • Sour Cream. Traditionally, these use crème fraîche, but I’m not about that life. I always have multiple tubs and squeeze bottles of Hood Sour Cream in my fridge. (Whoever came up with the sour cream in the squeeze bottle idea deserves a Noble Prize.

We eat a lot of baked potatoes and I love the squeeze bottle for the no-mess factor, but especially to measure it out when I’m baking. Genius!) It’s creamy, rich, and easy to flavor any way that I want, I live for sour cream, I can turn something ordinary into something extraordinary.

  • Shredded Cheese. Honestly, use whatever you have. Just a really flavorful cheese that melts well. I used a combination of mozzarella and Monterey Jack. But cheddar, Gruyere, Swiss, any kind you like is fine. Onion. I like to thinly slice sweet yellow onions. Traditionally, they use raw onions, but caramelized onions on this would be amazing. 
  • Bacon. I cook my bacon ahead of time because I like my bacon to be super crispy. The traditional European way is to have the bacon cook on the tarts, but they do not appreciate crisp bacon as Americans do. So I cook it ahead of time. You can also use pre-cooked bacon, no one will judge you over here. 
  • Herbs. Again, you can use whatever you have, but I think that a little bit of freshness when these come out really makes the difference. I love fresh thyme and rosemary. Parsley is always a winner. 
Sautéed onions, bacon, shredded cheese, and seasonings for savory cheese puff pastry filling.

How To Make – The Steps 

These come together in no time – particularly if you have a few pieces of cooked bacon lying around.

Step 1: Preheat the oven to 425. Line a baking sheet with parchment paper. 

Step 2: Add sour cream, salt, and pepper, to a bowl. Grate in fresh nutmeg and mix well. Set aside. 

Cream cheese mixture in glass bowl for baking or frosting, with a yellow silicone spatula.

Step 3: Cut out flatbread dough into circles using a cookie cutter, about 4 inches. Place on the baking sheet. Add about a tablespoon of the sour cream mixture and spread over the flatbread dough. 

Step 4: Top with cheese, onions, and bacon. 

Mini cheese and bacon appetizer bites on baking sheet, ready for baking or serving.

Step 5: Bake for 8 to 10 minutes, or until golden brown. 

Step 6: Sprinkle with fresh herbs. 

What Makes These Mini Onion and Bacon Tarts So Good?

These almost disappeared before I had the chance to finish taking their picture, they are so delicious. They are especially good because:

  • The crust is crispy and crunchy and the perfect vehicle for the sour cream base and the melty cheese. 
  • Creamy, rich, delicious sour cream. It doesn’t take a lot to make sour cream better, but just a little salt, pepper, and nutmeg, make a delicious base that can be the canvas for so many other toppings. You don’t think that sour cream is going to be amazingly baked, but it really is. It’s so, so, good.
  • Crispy, thick-cut bacon. Do I need to say much else? I like to buy thick-cut bacon but cut it into thin strips, almost like confetti. The crispier the better. 
Fluffy breakfast biscuits topped with bacon, served with sour cream and cream cheese on a gray plate.
Buttery deviled eggs with bacon and herbs on a round wooden board.

Mini Onion and Bacon Tarts

Bree Hester
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Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 8 minutes mins
Total Time 18 minutes mins
Course Appetizers & Snacks
Cuisine German
Servings 16 tarts
Calories 168 kcal

Ingredients
  

  • ¾ cup Hood Sour Cream
  • ½ teaspoon salt
  • ¼ teaspoon pepper
  • ¼ teaspoon freshly grated nutmeg
  • 2 packages refrigerated flatbread dough
  • 1 cup shredded cheese
  • 1 cup cooked bacon chopped
  • ½ onion thinly sliced
  • Fresh thyme

Instructions
 

  • Preheat oven to 425°. Line a baking sheet with parchment paper. 
  • In a small bowl mix together sour cream, salt, pepper, and nutmeg. Set aside.
    Cream cheese mixture in glass bowl for baking or frosting, with a yellow silicone spatula.
  • Cut flatbread dough into 4-inch circles using a cookie cutter. Place on baking sheet.
  • Spread a tablespoon of sour cream mixture on dough. Top with cheese, onion, and bacon. 
    Mini cheese and bacon appetizer bites on baking sheet, ready for baking or serving.
  • Bake for 8 to 10 minutes or until golden brown. 
  • Sprinkle with thyme leaves. 
    Cream cheese bacon stuffed mini bagels. Delicate, savory, and perfect for brunch or appetizers.

Nutrition

Serving: 1gCalories: 168kcalCarbohydrates: 14gProtein: 5gFat: 10gSaturated Fat: 4gSodium: 315mgFiber: 1g
Keyword appetizer, bacon, german
Tried this recipe?Let us know how it was!

About Bree Hester

Bree Hester is the recipe developer, writer and food photographer behind Baked Bree. She started Baked Bree in February 2010 as a love letter to anyone that has ever come to her house for a meal. Over the years it has evolved into so much more than that. While Bree may have hung up her apron for the last time, the reins have now been passed over to a passionate team of foodies.

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Published: Sep 8, 2024 | Updated: Oct 17, 2025

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