cup mayonnaise
cup Heinz ketchup
tspn garlic powder
tspn worcestershire sauce
lots of black pepper

Mix together the mayo, ketchup and garlic powder blending well.
Add worcestershire sauce and blend well. Cover surface of sauce with black pepper until just coated. Blend well.
Repeat process covering surface of sauce with black pepper and stir until blended well.
Refrigerate for at least two hours prior to use to allow the flavors to mingle.