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A group of different types of food, with Cheese and Mushroom

Balsamic Mushroom Onion Tarts

5 from 2 votes
Prep Time 30 mins
Cook Time 20 mins
Total Time 50 mins
Course Appetizer
Servings 9


  • 8 oz container of sliced mushrooms
  • 1 small yellow onion diced
  • 1 sheet of puff pasty thawed
  • 1 clove garlic minced
  • 2 tbsp butter
  • 2 tbsp balsamic vinegar
  • garlic and herb boursin cheese you could use herb goat cheese also
  • shredded parmesan
  • optional thyme sprigs for garnish


  • Saute onion, garlic, and mushrooms in 2 tbsp of butter over medium heat.
  • Season with salt and pepper.
  • Saute for 20 minutes or until tender.
  • Add balsamic vinegar and cook for 2-3 additional minutes, until thickened.
  • Slightly roll out puff pastry sheet and cut into 9 squares.
  • Score a 1/2 inch "crust" on the outer edge of each puff pastry. Dock the middle with a fork.
  • Lightly grease a baking sheet and place puff pastry squares on it.
  • Sprinkle with parmesan.
  • Fill middle of puff pastry with mushroom filling.
  • Top with boursin or goat cheese crumbles.
  • Sprinkle with more parmesan.
  • Refrigerate until ready to bake.
  • Bake at 425 for 15-20 minutes until golden brown.
  • Garnish with thyme sprigs.
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