Panera Bread Broccoli Cheddar Soup Copycat Recipe Ingredients 1/2 stick of butter (1/4 cup) 1/2 of a medium yellow onion, chopped 2 cloves garlic, minced 2 cups half and half (or 1 cup of milk and 1 cup of heavy cream) 3 cups chicken stock 1/4 cup corn starch 1/4 teaspoon nutmeg 2 bay leaves