Chex® Party Mix 1/2 cup (1 stick) butter 1 1/4 teaspoons seasoned salt 4 1/2 teaspoons Worcestershire sauce 2 2/3 cups Corn Chex 2 2/3 cups Rice Chex® 2 2/3 cups Wheat Chex® 1 cup salted mixed nuts Preheat oven to 250 degrees F. Heat butter in a shallow roasting pan until melted. Remove from heat. Stir in salt and Worcestershire sauce. Add all Chex® cereals and nuts. Mix until coated. Heat in oven for 1 hour, stirring every 15 minutes. Spread on a paper towel to cool. Microwave Instructions Melt butter on HIGH 1 minute. Stir in salt and Worcestershire sauce. Add Chex® cereals and nuts. Mix to coat. Microwave on HIGH for 6 to 7 minutes, stirring every 2 minutes.