Bananas should be really ripe. Preheat oven to 350. Peel and mash bananas. In large bowl, beat oil, bananas, and sugar. Mix flour with sunflower seeds and soda. Add dry ingredients to banana mixture and stir until thoroughly mixed. Drop dough by rounded tablespoonfuls about 5 cm apart onto ungreased cookie sheet. Bake about 15 minutes, until edges are golden brown. I got this recipe from my Grandmother. They are really wonderful cookies, moist, chewy, and nutty. She makes them with only half cup sugar and they taste great! Shared by Pattye Zensen