Roasted Garlic and Onion Jam without shallots sugar

1 bulb of garlic 1 tablespoon olive oil 1 large sweet onion , peeled and finely chopped (1 cup) 1/2 cup finely chopped granny smith apple 1/2 cup sugar 1/2[...]

1 head of garlic , whole 1 white onion, sliced thin 1/4 cup pure olive oil salt and pepper 2 lbs yukon gold potatoes 1 cup unsalted butter 1 1/2 cups heavy[...]