Recipes: Aloha burgers

Preparation:    Preparation time: 15 mins Cooking time: 15 mins Serving: 4 Ingredients: 1 can (8 ounces) sliced pineapple 3/4 cup reduced-sodium teriyaki sauce 1 pound ground beef 1 large sweet onion, sliced 1 tablespoon butter 4 lettuce leaves 4 sesame seed or onion buns, split and toasted 4 slices Swiss cheese 4...