1 tomato, sliced
Iceberg lettuce
3 potato buns, toasted
4 tbsp. yellow mustard
6 slices American cheese
Freshly ground black pepper
Kosher salt
1 lb. ground beef
1 tsp. lemon juice
2 tsp. barbecue sauce
2 tsp. honey mustard
1/4 c. mayonnaise
1 tbsp. apple cider vinegar
Freshly ground black pepper
Kosher salt
1 large onion, chopped
1 tbsp. butter
1 tbsp. vegetable oil