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Special Occasion French Onion Mushrooms

Michele Pesula Kuegler
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Appetizer
Servings 4

Ingredients
  

  • 4 portabella mushrooms
  • olive oil
  • 1/2 tablespoon butter
  • 2 cups sliced sweet onion
  • 1 teaspoon fresh rosemary minced
  • 1 teaspoon sugar optional
  • 1/4 cup fino sherry
  • 4 ounces swiss cheese shredded

Instructions
 

  • Preheat oven to 425.
  • Clean mushrooms, remove stems, and brush lightly with olive oil.
  • Place mushrooms cap side down on a rimmed baking sheet.
  • Bake for 8 minutes; flip and bake for an additional 4-6 minutes. Remove from oven.
  • While mushrooms bake, melt butter in large frying pan over medium heat.
  • Reduce heat to medium-low, add onions, sautéing for 20-25 minutes, or until golden brown.
  • Add rosemary, sugar, and sherry, and saute for another 5 minutes.
  • Preheat broiler.
  • Place mushrooms cap side down on baking sheet, and divide onion mixture among the mushrooms.
  • Top with swiss cheese.
  • Place baking sheet on upper most rack in the oven, and broil for 30-60 seconds or until cheese is melted.
Keyword stuffed mushrooms