INGREDIENTS
3
sweet onions, peeled and thinly sliced
1 cup
heavy cream
1/4 cup
white wine
1/2 cup
parmesan cheese, grated
4 tbsp
unsalted butter
3 tbsp
extra-virgin olive oil
1 tsp
garlic powder
1/4 tsp
cayenne, optional
kosher salt and freshly ground pepper,