Caramelized Onion, Mushroom, and Gruyere Pastries

Onion Cover

Enjoy this farm fresh recipe, originally featured in the Savor the Season Recipe Cards, created by From the Land of Kansas!

Caramelized Onion, Mushroom, and Gruyere Pastries

2 Tbs. good olive oil
1 large yellow onion, thinly sliced
½ tsp. kosher salt
4 oz. button or baby bella mushrooms, sliced
2 oz. grated Gruyere cheese
½ tsp. dried thyme leaves
1 lb. package of frozen puff pastry sheets, thawed
egg wash made from 1 egg beaten with 1 Tbs. water

Preheat oven to 400 degrees F. Line two baking sheets with parchment paper. In a large skillet, heat the olive oil over medium heat. When the oil is hot, add onions and salt, cooking until onions are softened and golden brown, approx. 25-30 minutes. Remove onions from skillet and reserve. To drippings in skillet, add mushrooms and sauté until tender, approx. 5 minutes. Remove skillet from heat and return reserved onions to mushrooms in pan; stir in cheese and thyme; season to taste with salt and pepper, as needed.

Cut puff pastry sheets into 2-inch squares and place onto the parchment-lined baking sheets ; brush each square with a bit of the egg wash mixture, then top with prepared onion mixture, in the center of each pastry square.

Bake, uncovered, on center rack of preheated oven, for 20-25 minutes, or until golden brown, rotating baking sheets half way through baking time. Cool slightly, then remove to a cooling rack. Serve warm.

Let’s Get You Cookin’,
Chef Alli

 

This recipe was featured as part of Savor the Season, a set of recipe cards created by From the Land of Kansas in conjunction with the Kansas Farm Bureau to help promote Kansas specialty crops. Savor the Season is designed to educate and excite consumers about cooking with local produce using tasty, seasonal recipes and providing tips and tricks to cooking with these special ingredients.

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