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French Onion Pastry Bites

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French Onion Pastry Bites are just what you need to impress your friends. An easy make ahead appetizer just in time for the Super Bowl. Be warned, they are addictive!
 
A platter of French Onion Pastry Bites
I love to have some go-to appetizers that you can serve for friends, whether you’re having people over for cocktails or to watch the big game. You can always grab some cheese and crackers but having something warm right out of the oven, is a show stopper.  My favorite appetizers are those that I can make ahead of time and pop in the oven when friends are arriving.  My go-to appetizer has to be Mushroom Logs which I have made a zillion times.  They’re extremely simple and impossible to mess up.  As good as they are, they can’t compare to French Onion Pastry Bites.
 
Caramelized onions for French Onion Pastry Bites
These do take a little more planning than Mushroom Logs, but I promise it’s worth it.  What makes a great French Onion soup is the caramelized onions and that’s what you have in these bite size appetizers, but without the mess of eating a gooey bowl of soup.  You’ll start out by caramelizing the onions, which is not difficult, it just takes some patience and 20-30 minutes. You can do this step days in advance!
A cookie sheet of raw French Onion Pastry Bites
 
 
The assembly is simple. I used Dufour puff pastry, which is my go-to puff pastry if you can swing it.  You’ll need 2 packages. Lay the first one down and roll it out a bit. Then drop a teaspoon of onion mixture onto the puff pastry in rows, they don’t have to be exact, but no judgement if you use a ruler.  Top with another sheet of puff pastry and press the dough around your mounds of onions.  Next, use a pizza cutter to make squares and crimp the edges.  From here you can put them in the oven or freeze them for whenever you have friends over or just need to treat yourself with an amazing snack.
 
French Onion Pastry Bites on a cookie sheet
These are delicious warm but trust me they are also great at room temperature.  Everyone loves puff pastry and you can easily make this vegetarian by using a vegetable broth instead of chicken stock. I served them with a bit of mustard which was an added plus but not needed.
 
A platter of French Onion Pastry Bites
This recipe makes a pretty big batch that can be made weeks ahead and then just pull out the amount you need. If you’re caramelizing onions, go ahead and make some extra, they are great to add to a quiche or on top of a burger or just thrown in with your scrambled eggs.  They make everything yummy.
 
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French Onion Pastry Bites

A platter of French Onion Pastry Bites

French Onion Pastry Bites are just what you need to impress your friends. An easy make ahead appetizer just in time for the Super Bowl. Be warned, they are addictive! 

  • Author: Barbara Curry
  • Prep Time: 30 minutes
  • Cook Time: 12 minutes
  • Total Time: 42 minutes
  • Yield: 36 1x
  • Category: appetizer
Scale

Ingredients

  • 3 tablespoons butter
  • 1 tablespoon olive oil
  • 2 large sweet onions, Thinly sliced into 1/2 moon shapes
  • 1 tablespoon fresh thyme
  • 1 teaspoon dijon mustard
  • 1 teaspoon pepper
  • ½ teaspoon salt
  • 1 pinch sugar
  • 3 tablespoons chicken stock
  • 2 sheets frozen puff pastry
  • ½ cup gruyere cheese, grated
  • 1 egg

Instructions

1. Heat butter and olive oil in a skillet over medium heat. When butter has melted, add onions and coat with butter mixture. Cook, undisturbed until onions begin to soften, about 4 minutes. Add thyme, mustard, sugar and salt and pepper, stir to combine. Cook covered, stirring about every 4 minutes until they are golden brown, about 16-20 minutes. Reduce heat if they begin to brown too quickly.
2. Add chicken stock, cook stirring until liquid is incorporated, about a minute. Remove from heat and let cool slightly.
3. Preheat oven to 375º. Place parchment paper on baking sheet.
4. Roll out both pastry sheets into an equal sized square.
5. Spoon 1 teaspoon of onion mixture in 36 squares about 1 inch apart. You will have 6 rows across and 6 down. Top with some cheese. Top with second sheet of puff pastry and using your fingers, press the top layer around the filling. Using a pizza cutter, cut into 36 squares and pinch the sides to seal. Use a fork to press the edges together. Place about 2 inches apart on prepared baking sheet.
6. Brush with slightly beaten egg and sprinkle with salt and pepper.
7. Bake for 12-15 minutes until slightly golden, let cool before serving.

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