A highly refined cellulose material is a composition of matter is used as an ingredient in the preparation of non-leavened or leavened crusted product that is prepared by baking, frying, broiling or other heated-prepared flour or grain based food products such as chips, crackers, the precooked mass comprising 0.25%-5.0% by weight of highly refined cellulose fiber, 2-20% by weight animal consumable oils or fats, 30-92.75% of flour or grain and 5-45% by weight of water. The final product has increased crust strength and resistance to cracking and rigid crumbling.