Preheat your oven to 350 degrees F.Combine dry ingredients in stand mixer or bowl (oat flour, baking powder, baking soda, stevia, salt).In a separate bowl, combine all the wet ingredients (lemon zest, lemon extract, melted butter, lemon juice, applesauce, eggs, greek yogurt).Add the wet to the dry, mix until combined. Pour into loaf pan. Bake at 350 degrees for 40 min.For the glaze, mix together glaze ingredients and pour over cooled loaf. Cut into 12 slices.Store in fridge or freeze.