Ingredients 3 Spanish or yellow onions 3 shallots 5 leeks 1 tablespoon olive oil 1 tablespoon butter 2 cloves of garlic 2 teaspoons fresh thyme leaves 4 cups chicken stock Salt and pepper Rustic bread, sliced 1 cup Gruyere or white cheddar cheese, grated Instructions Peel and thinly slice the onions and […]