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5.0 from 3 votes

Caramelized Onion & Mushroom Havarti Melt

Thick sliced bread topped with soft onions, sautéed mushrooms, and havarti cheese is the perfect grilled cheese combination! This caramelized onion and mushroom grilled cheese is a great easy meal!

Prep Time
5 mins
Cook Time
5 mins
Servings: 2 sandwiches
Course: Main Course
Cuisine: American

Ingredients

  • 8 oz mushrooms roughly chopped
  • 1 medium onion thinly sliced
  • salt & pepper
  • ½ teaspoon thyme dried or fresh
  • 4 lices of thick sliced bread (like sourdough)
  • 4 lices havarti or Swiss cheese
  • 2 TBS butter

Notes

  • *Do not cook sandwiches over high heat, this will toast the bread to quickly and not allow enough time for the cheese to melt. Slowly over medium head is the way to go.
  • Recipe first published in 2013. Updated 2/2025
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