Step 1

Heat olive oil in a pan over medium-high heat. Add mushrooms and sauté until golden.

Step 2

Add butter, garlic, chili flakes, and oregano to the pan. Cook until fragrant.

Step 3

Season with lemon juice, salt, and pepper. Set aside.

Step 4

Mix mozzarella and cheddar cheese in a bowl.

Step 5

Lay out 4 slices of bread. Top with a mix of cheeses, then mushrooms, and cover with another slice of bread.

Step 6

Butter the outside of the sandwiches and grill on a preheated pan until golden brown on both sides and the cheese is melted.