How to make self rising flour from all purpose. How to substitute self rising flour for all purpose flour and vice versa. Tip of the Day - self-rising flour = 1 cup all-purpose flour + 1 tsp. baking powder and tsp. Do It Yourself Food, Cooking Measurements, Think Food, Food Facts, Baking Tips, Baking Secrets, Bread Baking, Kids Baking, Savoury Baking