Au gratin potatoes in a rich, creamy cheddar cheese sauce

Dehydrated potato, corn starch, maltodextrin, salt, enriched flour (wheat flour, niacin, iron, thiamine mononitrate, riboflavin, folic acid), contains 2% or less of each of the following: whey, cheddar cheese (milk, cheese culture, salt, enzymes), dehydrated onion, potassium chloride, butter (cream, salt), dehydrated garlic, leavening (baking soda), natural flavor, buttermilk solids, sodium phosphate, modified corn starch, yellow 5, yellow 6, yellow 5 lake, enzyme modified cheese (cheddar cheese [milk, cheese culture, salt, enzymes], disodium phosphate, enzymes, xanthan gum), lactic acid, disodium guanylate, disodium inosinate, yellow 6 lake, sodium bisulfite (preservative).