Ingredients
The following ingredients have 4 Servings
- 1 tablespoon olive oil
- 3 onions (, medium or large, sliced)
- pinch of salt
- 1 tablespoon balsamic vinegar
- 1 pound ground beef (80% lean)
- salt and pepper
- 2 tablespoons vegetable oil
- 4 slices cheddar cheese
- 8 slices pineapple (or pineapple rings )
- 1 tablespoon olive oil
- 2 tablespoons honey
- 4 hamburger buns (, toasted and warmed)
- 1 cup lettuce
- 2 tomatoes (, sliced)
- 1/2 red onion (, sliced)