High fiber, reduced effective carbohydrate formulations useful for preparing food products such as tortillas, tortilla chips, taco shells, corn based snacks, breakfast cereal, and the like comprising about 10-80% masa corn flour; about 10-60% ground corn bran; about 1-20% pre-gelatinized flour and/or pre-gelatinized starch; about 0-60% ground corn germ; about 0-50% corn gluten meal; and about 0-30% vital wheat gluten or wheat protein isolate.