01 -
1 pound lean ground beef.
02 -
1 medium onion, finely chopped.
03 -
2 tablespoons mayonnaise.
04 -
2 tablespoons BBQ sauce or ketchup.
05 -
1/2 teaspoon garlic powder.
06 -
1 teaspoon kosher salt.
07 -
1/2 teaspoon black pepper.
08 -
2 tablespoons butter.
09 -
2 teaspoons Dijon mustard.
10 -
1 tablespoon brown sugar.
11 -
2 teaspoons sesame seeds.
12 -
12 Hawaiian rolls.
13 -
8 slices cheddar cheese.
14 -
2 teaspoons olive oil.