In a medium bowl, whisk together the peanut butter, maple syrup, oil and vanilla. Add in the sifted cacao powder, almond flour, mini chips and salt and mix to combine. Transfer the dough to your prepped pan and spread out evenly with your hands, to form a rectangular shape that's about 1/2 inch thick.
Topping:
Melt your chips and oil in a small pot and pour this onto the brownie rectangle. Using a small rubber spatula, spread out the ganache evenly. Transfer this pan to your freezer for about 40 minutes to set. Remove and slice into 16 squares. Store leftovers in an air tight container in your freezer.
Notes
You can use any nutbutter or seed butter you prefer here.You can use protein powder instead of almond flour.You can use honey instead of the maple syrup (but that will not be vegan then).