Caramelized Onion with cider

3 tablespoons butter 3 tablespoons vegetable oil 3 large yellow onions , roughly chopped 2 large granny smith apples , peeled, cored, and cut into medium[...]

2 tablespoons olive oil 1 tablespoon butter 2 large onions , diced 3 tablespoons cider vinegar 2 tablespoons sugar 1 bay leaf 1 tablespoon fresh thyme salt &[...]