Directions. In a stockpot, melt butter over medium heat. Cook onion in butter until softened. Reduce heat, and stir in cheese cubes until melted. Mix in milk and garlic powder. In a small bowl, stir cornstarch into water until dissolved. Stir into soup; cook, stirring frequently, until thick.
Broccoli Cheese Soup With Ham (03:25). Total: 45. Level: Easy. Stir to combine and cook until the flour is absorbed and smells lightly toasted, 1 minute or so.