I haven't tried it in this recipe but I'd substitute 1 cup of ground sunflower seeds for 1 cup of almond flour. (ketodietapp.com)
My children for the most part do not care for the baked goods that I have made with ground sunflower seeds, or sunflower seed butter. (elanaspantry.com)
Hi, I have an allergy to almonds and often use ground sunflower seeds in place of the almonds in other recipes calling for ground almonds.... (therealfoodrds.com)