Caramelized Onion Pizza with swiss

4 tablespoons olive oil 675 g red onions 12 stoned black olives 1 teaspoon herbes de provence 8 slices italian salami 3 tablespoons parmesan cheese ground[...]

1 teaspoon olive oil 3 large red onions , thinly sliced 1 tablespoon maple syrup or 1 tablespoon light brown sugar 1 tablespoon balsamic vinegar 2 teaspoons[...]