Fold in macaroni and add remaining ingredients.
Divide into two 2-inch half hotel pans (10-3/8x12-3/4-inch) which have been lightly coated with pan release spray.
In large saucepan or kettle, heat milk, garlic and onion powder; slowly bring to a boil, stirring frequently.
Reduce heat to low; add sliced cheese. Continue heating, stirring frequently until cheese is completely melted.
Cover and bake in conventional oven set at 350ºF for 20 minutes or unti linternal temperature reaches 165ºF for 15 seconds. Serving Suggestion: May serve as a side dish or entrée. Could add other vegetables such as broccoli or peas and meat such as diced chicken or ground beef to provide additional meal components for an entrée.
CCP: Heat to 165°F for at least 15 seconds
CCP: Maintain hot food at 135°F or above