If you’re looking for all the flavors of French onion soup in a bite sized appetizer for parties, these French onion tarts nestled in phyllo dough is the recipe for you.
During winter one of our favorite soups is the classic French Onion Soup.
But, the issue with soup is that it isn’t portable or great for entertaining.
We solved that problem with this french onion phyllo dough appetizer.
Most people think of phyllo dough and baklava comes to mind, the sweet and nutty Greek dessert.
While we were especially obsessed with phyllo dough and baklava while visiting Greece, (be sure to read about our time visiting wineries in Santorini and exploring the best beaches in Milos, Greece) we also really enjoy savory phyllo dough appetizers like this recipe.
The mild sweetness of the caramelized onions pairs perfectly with the fresh thyme herbs and nutty gruyere cheese.
The crispy phyllo shell makes them irresistible to have just one mini french onion tart bite!
Caramelized Onion Filling
The key to the French onion taste is the low and slow cooking of the thinly sliced onion.
Proper caramelized onions are a work of art when they’ve been completely transformed.
To start, we use a mandolin to slice our onions as thin and uniform as we can get them.
We start cooking the onions on low heat, covered for 10 minutes in a pan with butter.
After 10 minutes, the caramelization actually begins when we uncover the onions and add Worcestershire sauce, beef bouillon paste, and fresh thyme.
We slowly fold all of these ingredients into the onions and continue cooking them down for an additional 40 minutes.
You will be shocked with how much space the onions take up at the beginning, and how small the volume is when they’re caramelized and cooked down. You will know the onions are ready when they’re a deep brown color and taste sweet and rich.
French Onion Filled Phyllo Shells
Once the onions are caramelized, the recipe is ready in a snap because of Athens Phyllo Shells.
Athens phyllo shells are pre-cooked, so all you need to do is add the onions to the bottom, top with a layer of gruyere cheese, and warm it all together in the broiler for a few minutes until the cheese is nice and melty.
We love cooking appetizers with Athens phyllo shells because they’re light, crispy, and perfect for both sweet and savory dishes.
They’re also the most fool-proof shell for appetizers and desserts, and they don’t even need to be refrigerated so we always have a box or two in our pantry.
Let’s whip up this amazing french onion tart appetizer!
Mini French Onion Tart Recipe
Prep Time: 50 Minutes
Bake Time: 5 Minutes
Makes 30 phyllo cups
Ingredients:
- 2 boxes of Athens Phyllo Cups
- 5 cups of sweet, Vidalia onions, thinly sliced ( 2-3 onions)
- 2 tablespoons butter
- 1 teaspoon Better than Bouillon beef bouillon paste
- 1 teaspoon worcestershire sauce
- 3/4 cup gruyere cheese, shredded
- 3 sprigs fresh thyme, destemmed, plus more for garnish.
Instructions:
- Start by thinly slicing 2-3 onions (a mandolin works wonders here).
- Add 2 tablespoons of butter to a saucepan on medium-low heat and add the onions.
- Cover and let cook for 10 minutes on medium-low heat until the onions soften.
- Remove the lid and add 1 teaspoon of beef bouillon paste, 1 teaspoon of Worcestershire sauce, salt and pepper and 3 sprigs of fresh thyme, destemmed.
- Cook on medium heat for 40 minutes, stirring every so often, until the onions soften, caramelize and turn a nutty brown color
- Fill the phyllo cups with a scoop of caramelized onion filling and then add shredded gruyere cheese.
- Broil them for 5-6 minutes until the cheese melts and starts to brown. Garnish with additional fresh thyme.
French Onion Tarts in Phyllo Shells
All the flavors of French Onion Soup in adorable little tart appetizers.
Ingredients
- 2 boxes of Athens Phyllo Cups
- 5 cups of sweet, vidalia onions, thinly sliced ( 2-3 onions)
- 2 tablespoons butter
- 1 teaspoon Better than Bouillon beef bouillon paste
- 1 teaspoon Worcestershire sauce
- 3/4 cup Gruyere cheese, shredded
- 3 sprigs Fresh thyme, destemmed, plus more for garnish.
Instructions
- Cover and let cook for 10 minutes on medium-low heat until the onions soften.
- Remove the lid and add 1 teaspoon of beef bouillon paste, 1 teaspoon of Worcestershire sauce, salt and pepper and 3 sprigs of fresh thyme, destemmed.
- Cook on medium heat for 40 minutes, stirring every so often, until the onions soften, caramelize and turn a nutty brown color
- Fill the phyllo cups with a scoop of caramelized onion filling and then add shredded gruyere cheese.
- Broil them for 5-6 minutes until the cheese melts and starts to brown. Garnish with additional fresh thyme.
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Are you obsessed with phyllo cups like we are? Check these recipes out:
Our Baked Brie Phyllo Cup Recipe is perfect for the holidays and is easily customizable to match your dinner menu.
Creating a brunch spread? How about this Mini Quiche Recipe using phyllo cups!
You’ll also enjoy these other amazing phyllo dough recipes:
Use sheets of phyllo dough to make the base of a flatbread pizza. Our Greek Phyllo Dough Pizza Recipe is flaky and flavorful.
Looking for a sweet treat other than traditional baklava? Our Strawberry Tart Phyllo Dough Dessert has creamy mascarpone cheese and crushed pistachios. Are you drooling yet?
This recipe was sponsored by Athens Foods, thanks for supporting the brands we love!
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