Stuffed Picnic Rolls - cooking recipe

Ingredients

1 lb. ground beef
1/4 c. onion (optional)
1/3 c. catsup
1/4 lb. (1 c.) grated Cheddar cheese
1 tsp. salt
prepared mustard
2 doz. dinner rolls or 2 pkg. hamburger rolls (can use hot dog buns)

Preparation

Cook until meat is browned and onions soft.
Drain fat and stir in next 3 ingredients.
Remove from heat.
Spread one side of rolls with mustard.
Fill buns with mixture.
Cover tightly with foil and heat slowly to serve.