This product is likely Yeast Free.
Cheese sauce (whey, canola oil, cheddar cheese [milk, cheese culture, salt, enzymes], whey protein concentrate, milk, milk protein concentrate, sodium phosphate, contains less than 2% of salt, lactic acid, sodium alginate, sorbic acid as a preservative, oleoresin paprika [color], enzymes, cheese culture, annatto extract [color], milkfat, natural flavor), enriched macaroni product (wheat flour, niacin, ferrous sulfate [iron], thiamin mononitrate [vitamin b1], riboflavin [vitamin b2], folic acid), cooked bacon bits (bacon [cured with water, salt, sugar, sodium phosphates, sodium ascorbate, sodium nitrite]).
Contains: milk, wheat.