all purpose flour
blanched, sliced almonds
Preheat the oven to 325 degrees. Butter the sides and bottoms of a 9-inch springform pan.
In a spice or nut grinder (or food processor or blender), pulse the almonds until finely ground. Then in a medium bowl, combine the flour, ground almonds, baking powder, baking soda, and salt together. Set aside.