Preheat the oven to 350 degrees. Prepare flax egg and allow it to sit for 10 minutes.
To make the crust, combine almond flour, oats, maple syrup, chai spice and salt. Melt coconut oil and add it to crust ingredients. Lastly fold in a flax egg. Line parchment into an 8x8 pan and press the crust firmly into the pan. Bake for 10 minutes.
While the crust is baking, Make your filling. In a small pan combine almond butter, maple syrup, coconut oil and coconut sugar. Heat until it has melted completely. Add in vanilla, cashew milk and cacao powder. Stir till everything is well combined. Add in the walnuts and toss to coat. Spread filling mixture over prepared crust (crust does not have to be cooled) spreading evenly. Sprinkle chocolate chips and maldon salt evenly over the surface of your bars. Bake for 35 minutes.
Allow to cool completely and then place in the refrigerator to set. Once cold, slice into bars.
*Macros are provided as an estimate for convenience. Your final numbers will vary depending on ingredient brands, substitutions, and how you portion the recipe.