Hot Cheesy Seafood Dip
["1 lb. process cheese, cut into 1-inch cubes", "1 (3 oz.) pkg. cream cheese", "1/4 c. margarine", "1/8 tsp. hot sauce", "1 (4 1/2 oz.) can small shrimp, drained, rinsed and chopped", "1 (4 oz.) can chopped green chilies, drained", "chopped green onions with tops (optional)"]
["Combine first 3 ingredients in top of a double boiler; bring water to a boil. Reduce heat to low; cook, stirring frequently, until cheese melts. Stir in next 3 ingredients. Transfer mixture to a chafing dish; sprinkle with onions, if desired. Serve warm with tortilla chips or Fritos. Makes 4 cups. Can freeze. Can do ahead."]
["process cheese", "cream cheese", "margarine", "hot sauce", "shrimp", "green chilies", "green onions"]