Share: Oat Flour As a substitute for 1 cup oat flour, process 1-1/4 cups quick-cooking or old-fashioned oats until finely ground. Featured Recipes Chewy Fruit Granola Bars These homemade chewy granola bars are easily customized to taste with your own favorite fruits and nuts.—Taste of Home Cooking School Peach Oat Cookies I modified the original recipe to create soft and chewy cookies that are good for you. There's not too much sugar in them but lots of oats and fruit.—Rachel Greenawalt Keller, Roanoke, Virginia Double-Chip Pumpkin Cinnamon Muffins I lightened up a recipe I found and this is the result. It's a moist, delicious muffin that tastes just as good a day or two later, if they last that long! —Vera Decker, Windsor, New York Related Tips Self-rising Flour-1-1/2 cups As a substitute for 1-1/2 cups self-rising flour, place 2-1/4 teaspoons baking powder and 3/4… Pumpkin Butter This recipe was tested with commercially prepared pumpkin butter. Flour-Not used in Recipe This recipe does not use flour.