Broccoli Cheese Soup

Ingredients (9)

• + ½ cup butter add to pantry
• + 1 onion, chopped add to pantry
• + 1 (16 ounce) package frozen chopped broccoli add to pantry
• + 4 (14.5 ounce) cans chicken broth add to pantry
• + 1 (1 pound) loaf processed cheese food, cubed add to pantry
• + 2 cups milk add to pantry
• + 1 tablespoon garlic powder add to pantry
• ✓ ⅔ cup cornstarch
• ✓ 1 cup water