-cut into cubes Mix cottage cheese with 1/4 cup milk in a blender until smooth. Melt fat in a saucepan. Stir in cornstarch, garlic powder, and dry mustard; mix well. Add 3/4 cup milk. Cook over medium heat, stirring constantly until thickened, about 2 to 3 minutes. Reduce heat. Stir in cottage cheese mixture. Add remaining cheeses, stirring until cheeses are melted. Serve with cubes of French bread for dipping into fondue mixture. NOTE: Fondue may be transferred to a preheated fondue pot or chafing dish if desired. Keep hot during serving by using an alcohol burner, canned heat, or candle burner. Calories per serving: About 210 for fondue mixture, without bread.