Wiktionary
self-rising
a. self-raising
Usage examples of "self-rising".
Aluminum is also found in household baking powder, self-rising flour, cake mix, pancake batter, and frozen dough (as sodium aluminum phosphate, a leavening agent).
I can see the print heave along the shelf of your bosom (Beeman's Best Self-Rising Flour), the silver chain that dangles there, the handworked locket.
Mackenzie made hers from self-rising flour, but even so, it grew hard as a rock after a day or two in the dry air.