Preheat oven to 350º F. Line a 9×9 baking pan with parchment paper. I first rub the pan with a little coconut oil to help the parchment paper stick well.
In a bowl, combine the maple syrup, SunButter, lemon juice, flax meal, and sea salt. Stir well to combine.
Into the wet ingredients, add the dry ingredients (oats, oat flour, coconut)). Stir to fully combine.
Set aside 3/4 cup of the oatmeal cookie mixture to use as a topping. Add the chopped pecans and stir to combine.
Press the remaining oatmeal cookie mixture into the prepared baking pan to form a bottom crust. Use wet hands or a wet pastry roller to press the cookie dough into an even layer.
Top the oatmeal cookie layer with the chunky applesauce, spreading it in to an even layer of apple filling.
Use a fork or wet fingers to break up the remaining cookie dough over the top of the applesauce filling into coarse crumbs.
Bake the Applesauce Oatmeal Bars for 22-24 minutes until the edges and the oatmeal crumble topping are lightly golden brown. Allow the bars to cool to room temperature prior to slicing. For the cleanest cut bars, cover the baking pan with foil and refrigerate the bars overnight prior to slicing.