1 lb. ground beef
3/4 c. soft bread crumbs
1 lg. egg
2 tbsp. steak sauce
28 cocktail onions
1 jar (18 oz.) grape jelly
1/3 c. prepared yellow mustard

In medium bowl, combine beef, bread crumbs, egg and steak sauce; mix well. Shape 1 tablespoon beef mixture around an onion; roll into ball. Repeat with remaining beef mixture and onions. Arrange meatballs in 13 x 9 x 2 inch glass baking dish. Cover with waxed paper; cook on high 3 minutes. Rearrange meat balls; cover; cook on high 1-3 minutes, until firm. Let stand, covered, 3 minutes.

In large glass bowl, mix jelly with mustard. Cook on high 1-3 minutes, stirring occasionally, until jelly is melted and mixture is blended. Add meatballs to sauce. Cook on high 2 minutes to heat through.