Preheat oven to 350 and spray a cast iron skillet with cooking spray. Set aside.

Combine almond flour and baking soda in a large bowl.

Combine almond butter, egg, maple syrup and applesauce in separate bowl and mix well.

Add wet ingredients to dry ingredients and mix well, add in blueberries, strawberries and rhubarb to combine. Spoon batter into cast iron skillet.

Bake for 35 minutes or until done.

Let cool before slicing.

Enjoy!