Onion Mushroom Tart Recipe @pinch

Need a vegetarian appetizer option for a holiday party? This onion mushroom tart is a sophisticated appetizer that's not hard to make. The onions have a wonderful caramelized flavor. Baby Bella mushrooms add a layer of heartiness to the tart. Sauteing the onions and mushrooms with a splash of wine brings another layer of sweetness and a slight tang. Gruyere cheese adds another earthy flavor to the tart. Store-bought puff pastry is the base for this savory tart and is super flaky once baked. Cut into squares for a lovely party appetizer. Easy to make yet very delicious.

onion mushroom tart
Prep time: Cook time:
Recipe Cuisine: American Recipe Category: Vegetable Appetizers Yield: 6 Servings
Ingredients :
  • 3 tablespoon(s) olive oil
  • extra virgin
  • 2 large onions
  • cut in half and sliced thin
  • 1 pound(s) baby bella mushrooms
  • sliced
  • 1 teaspoon(s) salt
  • 1/4 teaspoon(s) pepper
  • 1/4 cup(s) white wine
  • 1 package(s) puff pastry sheet
  • thawed
  • 1 large egg + 1 Tbsp water beaten (egg wash)
  • 1 cup(s) grated Gruy\u00e8re cheese
Intructions :
  • Heat olive oil in a large saute pan. Add onions stirring continuously until they start to soften.
  • Add mushrooms
  • salt
  • and pepper. Stir until mushrooms release their liquid. Add wine and cook until almost all evaporate. Remove from heat and set aside.
  • Preheat oven to 350 F. Line a baking sheet with parchment paper. Unfold defrosted pastry sheets. Lay them side by side (along the long side) and press to seal.
  • With a sharp knife score a 1/2 inch border around the pastry (don't cut all the way).
  • Lift the sides.
  • Spread mushroom mixture on pastry.
  • Top with the Gruyu00e9re cheese.
  • Brush the edges of the pastry with the egg wash.
  • Bake for 25-35 minutes until golden brown.

Rated 5/5 based on 69 Reviews

Keyword : recipe-American-Vegetable Appetizers-Bake

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