01 -
Preheat oven to 350°F.
02 -
Mix beef, onion, soup mix, milk and seasonings.
03 -
Press meat mixture into 9x13 pan evenly.
04 -
Bake hamburger for 20 minutes.
05 -
Prepare second dish with bottom bun layer.
06 -
Layer half the cheese on buns.
07 -
Add drained hamburger patty.
08 -
Top with remaining cheese and bun tops.
09 -
Brush with butter and add sesame seeds.
10 -
Bake additional 20 minutes.