Recipes: Pineapple bun burger

Preparation:  Preparation time: 10 mins  Cooking time: 20 mins  Serving: 4 Ingredients: 1 lb. ground beef 1 tbsp. Worcestershire sauce Kosher salt Freshly ground black pepper 8 pineapple rings 1 large red onion, sliced into rings 4 slices pepper jack 4 pieces romaine 8 slices cooked bacon Instructions: Heat grill to medium-high. In a large bowl, combine...