1 lb. hamburger
3/4 c. Rice Krispies
1 tbsp. onion
1 tsp. salt
1/2 tsp. pepper
1 egg
1/2 c. ketchup
2 tbsp. brown sugar
1 tsp. dry mustard
1/4 c. Rice Krispies

Mix hamburger, 3/4 cup Rice Krispies, onion, salt, pepper and egg; set aside. Mix ketchup, brown sugar and mustard; add 1/2 of this mixture to the hamburger mixture and mix well. Form into 12 balls and place in greased muffin tins. Top with remaining ketchup mixture. Sprinkle remaining Rice Krispies on top. Bake at 425 degrees for 15 minutes or until done.