To prepare a banana sunflower seed cookies cookies recipe, first you need to prepare the ingredients for the cookies. First, you will need: Bananas. You can use any kind of banana. If you don't have bananas, then you can substitute any type of seed you like. Then, add the dry ingredients to the wet ingredients and mix until everything is well combined. Next, pour the batter into the greased and floured cookie sheet and bake for 10 to 12 minutes or until the edges are golden brown.