Caramelized Onion with garlic

1 teaspoon oil (I use flavoured "Chili Oil") 1 large sweet onion , thinly sliced (Walla Walla type) 2 garlic cloves , smashed 1/8 teaspoon cayenne pepper 1[...]

3 large onions , peeled, halved and sliced in the food processor 2 tablespoons butter 2 tablespoons olive oil 6 garlic cloves , sliced 1 teaspoon pepper 1[...]