Method of making a prepared sweet potato flour mix and product

Claim 1

IN THE PROCESS OF MAKING A DRY PREPARED DOUGHNUT FLOUR MIX BY MIXING A PREDETERMINED QUANTITY OF SWEET POTATOES WHICH PREDETERMINED WEIGHTS OF EACH OF A PLURALITY OF LIQUID AND SOLID FLOUR COMPONENTS, THE STEPS WHICH COMPRISE FORMING A SMOOTH MIXTURE OF PRECOOKED SWEET POTATOES, MIDING SOLUBLE SOLIDS WITH THE SWEET POTATOES IN SUCH A MANNER AS TO FURTHER PULVERIZE THE SAID POTATO FIBERS BY THE ABRASIVE ACTION OF THE SAID SOLIDS AND TO FORM A SMOOTH PASTE THEREWITH WHEN COMPLETELY DISSOLVED THEREIN, BLENDING ADDITIONAL SOLID AND LIQUID COMPONENTS WITH THE SAID PASTE TO FORM A FIRST FLOUR FACTION, INDEPENDENTLY MIXING DRY WHEAT FLOUR COMPONENTS TOGETHER TO FORM A SECOND FLOUR FACTION, AND FINALLY MIXING THE SAID FIRST AND SECOND FLOUR FACTIONS WITH EACH OTHER SO AS TO PRODUCE THE SAID DRY DOUGHNUT FLOUR.