3/4 c. catsup
4 tbsp. brown sugar
2 tbsp. Worcestershire sauce
1 1/2 tbsp. horseradish mustard
2 tbsp. lemon juice
1 tsp. chili powder

Marinate ham slices at least 1 hour and cook on outdoor grill 5 minutes per side. A double recipe covers at least 4 center cut slices of ham.