1 onion, chopped finely
1 tsp. garlic powder
2 Tbsp. butter or margarine
2 lbs. Velveeta cheese
1 small can Ro-Tel tomatoes, drained

Sauté onion and garlic in butter.  Melt cheese over double boiler.  Heat Ro-Tel tomatoes to simmering; combine with cheese, onion and garlic mixture.