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The Boat Shed Kitchen

Mushroom Sandwich Melts

These mushroom sandwich melts are filled with sautéed mushrooms, caramelized onions, and gooey cheese, then grilled until crispy and golden. They’re rich, satisfying, and perfect for lunch, dinner, or an anytime comfort craving.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 4 sandwiches
Calories: 350
Ingredients Method Notes

Ingredients
  

  • 2 tbsp butter
  • 1 medium onion thinly sliced
  • 8 oz mushrooms sliced (baby bella or white)
  • 2 garlic cloves minced
  • Salt and pepper to taste
  • 6 –8 slices sandwich bread
  • 1 1/2 cups shredded mozzarella or provolone cheese
  • Extra butter for bread

Method
 

  1. In a skillet, melt butter and oil. Sauté onions 10 minutes until golden.
  2. Add mushrooms, cook until browned. Stir in garlic, season to taste.
  3. Butter bread slices. Layer cheese, mushroom mixture, more cheese, and top bread.
  4. Cook sandwiches in skillet until both sides are golden and cheese is melted.
  5. Slice and serve warm.
  6. See full steps with tips & photos → https://theboatshedcafe.com/mushroom-sandwich-melts/

Notes

  • For extra flavor, deglaze the mushroom pan with a splash of balsamic vinegar or white wine.
  • Swap in Swiss, fontina, or gouda for a twist on the cheese.
  • Use sturdy bread like sourdough or rye for best results.