01 - Whisk together the protein powder, oat flour, coconut flour, and sea salt in a large bowl until evenly blended.
02 - Add the almond butter, maple syrup, and vanilla extract to the dry mixture. Mix thoroughly until a crumbly dough consistency forms.
03 - Gradually add milk, 1 tablespoon at a time, mixing continuously until the dough becomes firm yet pliable and holds its shape when pressed.
04 - Gently fold in the rainbow sprinkles until evenly distributed throughout the dough.
05 - Roll the dough into 1-inch balls, optionally coating each ball in extra sprinkles for decoration.
06 - Arrange the balls on a parchment-lined baking tray and refrigerate for at least 30 minutes to firm up before serving.