Recipes: Hawaiian beef sliders

Preparation:    Preparation time: 15 mins Cooking time: 15 mins Serving: 18 (1-1/2 dozen) Ingredients: 1 can (20 ounces) unsweetened crushed pineapple 1 teaspoon pepper 1/4 teaspoon salt 1-1/2 pounds lean ground beef (90% lean) 1/4 cup reduced-sodium soy sauce 2 tablespoons ketchup 1 tablespoon white vinegar 2 garlic cloves, minced 1/4 teaspoon...