Bistro Mushrooms
Serves 4
Ingredients
2 TB salted butter
1 lb cremini mushrooms, cleaned, trimmed, and thinly sliced
Kosher salt and ground black pepper
2 garlic cloves, finely chopped
1 tsp minced fresh rosemary
1/2 cup dry white wine
2 tsp whole-grain mustard
Directions
In a 12-inch...