Caramelized Onion and Mushroom Havarti Melt
1 h
Instructions
Ingredients
Unsalted butter
|
2 tbsp |
---|---|
Olive oil
|
2 tbsp |
Large onion, sliced
|
1 |
Cremini button mushrooms, sliced
|
2 cups |
Salt
|
1 tsp |
Ground black pepper
|
1 tsp |
Sourdough bread
|
4 slices |
Havarti cheese
|
8 slices |