Savory Mushroom & Cheese Grilled Melt

This Savory Mushroom & Cheese Grilled Melt is a perfect comfort food—crispy on the outside and oozing with melty cheese and caramelized mushrooms on the inside. A quick, flavorful sandwich that’s ideal for lunch or dinner!

Ingredients
2 tablespoons butter
1 tablespoon olive oil
8 oz mushrooms, sliced
1 small onion, thinly sliced
2 cloves garlic, minced
1 teaspoon fresh thyme (or ½ teaspoon dried thyme)
Salt and black pepper to taste
4 slices sourdough bread
1 cup shredded Gruyère cheese (or your favorite melting cheese)
½ cup shredded mozzarella cheese
2 tablespoons mayonnaise (for spreading on bread)
How to Make
Step 1: Sauté the Mushrooms and Onions