Caramelized Onion and Mushroom Havarti Melt
1 h
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 |
Instructions