01 -
Peel the banana, cut into 1/2-inch chunks, and place in the freezer until solid, about 2 hours.
02 -
Place the almonds, rolled oats, and flaxseed meal into a blender and pulse until finely ground.
03 -
Add the frozen banana, frozen blueberries, raspberry yogurt, grape juice, and buttermilk to the blender; puree until smooth.