1 stick butter
1 lg. onion, chopped fine
1 3/4 lb. Velveeta cheese, grated
1 can tomato, green chili puree
1 tsp. Worcestershire sauce

Saute onion in butter. Add tomato - green chili puree. Simmer a few minutes. Add grated cheese. Stir until melted over low heat. Add Worcestershire sauce. Serve warm with Fritos or Doritos. Can be frozen. Makes 1 pint.