Reduce heat; cover and simmer 8 to 10 minutes, stirring occasionally, until tender (sauce will thicken as it stands). Find easy to make recipes and browse photos, reviews, tips and more. Potatoes*, Corn Starch, Maltodextrin, Enriched Flour (wheat flour, niacin, iron, thiamin mononitrate, riboflavin, folic acid), Salt, Onion*, Potassium Phosphate, Ricotta Cheese* (whey, milkfat, lactic acid, salt), Potassium Chloride, Cheddar Cheese* (milk, cheese cultures, salt, enzymes). Betty Crocker Au Gratin Casserole Potatoes. Cheddar Potato Gratin. 2 tablespoons butter or margarine 1 small onion, chopped (1/4 cup) 1 tablespoon all-purpose flour ... Extra-Cheesy Au Gratin Potatoes. Caramelized Onions. 18 Ratings. Betty Crocker Potatoes come in tons of varieties that your family is sure to love. Trusted au gratin potato recipes from Betty Crocker. 18 Reviews. Leeks au Gratin. Ingredients: Potatoes*, Corn Starch, Maltodextrin, Enriched Flour (Wheat Flour, Niacin, Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Salt, Onion*, Potassium Phosphate, Ricotta Cheese* (Whey, Milkfat, Lactic Acid, Salt), Potassium Chloride, Cheddar Cheese* (Milk, Cheese Cultures, Salt, Enzymes), Contains Less than 0.5% of: Garlic*, Vegetable Oil (Canola, Soybean and/or Sunflower … Nutrition. And Betty starts each and every dish with the same real ingredients you would use. Allergy Information. Cook 2 medium onions that have been sliced in a little olive oil or butter until … By Betty Crocker Kitchens. Heat potatoes, sauce mix, 2 cups hot water, 1/2 cup milk and 2 tablespoons margarine or butter just to a boil in 2-quart saucepan, stirring occasionally (watch carefully to avoid boil over). Taste for yourself what a difference real ingredients make. 2. Ingredients. Updated August 4, 2010 Ingredients.