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Swiss Mushroom Melt

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This Swiss Mushroom Melt is the ultimate comfort sandwich, featuring golden sautéed mushrooms, gooey Swiss cheese, and perfectly toasted bread. It’s quick, easy, and endlessly customizable for lunch, dinner, or a cozy snack.

Ingredients

Scale
  • 8 oz fresh mushrooms (cremini, baby bella, or white button), sliced
  • 4–6 slices Swiss cheese (about 4–5 oz total)
  • 4 slices sturdy sandwich bread (sourdough, rye, or whole grain)
  • 2–3 tbsp unsalted butter, softened
  • 1 tbsp olive oil
  • 1/2 small yellow onion, thinly sliced (optional)
  • 1 clove garlic, minced
  • Salt and black pepper, to taste
  • 1 tsp fresh thyme or parsley, chopped (optional)
  • 1–2 slices mozzarella cheese (optional, for extra melt)
  • Handful baby spinach (optional)
  • 1 tsp Dijon mustard (optional, for spreading)

Instructions

  1. Clean mushrooms with a damp paper towel and slice thinly. Peel and thinly slice onion if using.
  2. Heat olive oil in a large skillet over medium-high heat. Add onions and cook for 2-3 minutes until softened. Add mushrooms and a pinch of salt. Sauté, stirring occasionally, until mushrooms are browned and caramelized (6-8 minutes). Add garlic and cook for 1 minute. Remove mixture from skillet and set aside.
  3. Lay out bread slices. Spread softened butter on one side of each slice (this side will be on the outside). If using, spread Dijon mustard on the inside of two slices.
  4. On the unbuttered side of two bread slices, layer Swiss cheese, half the mushroom-onion mixture, herbs (if using), spinach (if using), and mozzarella (if using). Top with remaining bread slices, buttered side out.
  5. Heat skillet over medium-low. Place sandwiches in skillet, buttered side down. Press lightly with a spatula. Cook 3-4 minutes per side, until bread is golden and cheese is melted. If needed, cover pan loosely to help cheese melt.
  6. Remove sandwiches from skillet and let rest 1 minute before slicing.
  7. Slice diagonally and serve hot, optionally garnished with more herbs or flaky salt.

Notes

For best results, use sturdy bread and let mushrooms brown fully for maximum flavor. You can prep the mushroom filling ahead for quick assembly. Swap in gluten-free bread or vegan cheese and butter for dietary needs. Let the sandwich rest before slicing for a neater, gooier bite.

Nutrition

Keywords: Swiss mushroom melt, mushroom sandwich, comfort food, vegetarian sandwich, grilled cheese, easy lunch, skillet sandwich, diner-style melt

Find it online: https://hungermind.com/swiss-mushroom-melt-recipe-best-homemade-comfort-sandwich/