Barefoot Contessa'S Caramelized Onions - cooking recipe

Ingredients

2 large yellow onions
4 tablespoons unsalted butter
1/4 cup vegetable oil
1/4 teaspoon ground cayenne pepper
1 teaspoon kosher salt
1/2 teaspoon fresh ground black pepper

Preparation

Cut the onions in half and then slice them into 1/8-inch thick half-rounds. (You will have about 3 cups of onions.)
Heat the butter and oil in a large saute pan over medium heat.
Add the onions, cayenne, salt, and pepper and saute for 10 minutes.
Reduce the heat to medium-low and cook, stirring occasionally, for 20 more minutes until the onions are browned and caramelized.