Add almond butter, cacao powder, brown sugar, eggs, vanilla, baking soda, and salt to a large bowl. Stir until combined.
Spread the brownie batter into the bottom of an 8-inch pan, greased and lined with parchment paper. Press firmly down with a spatula. Sprinkle the top with sliced blanched almonds.
Bake at 350ºF for 20 minutes. Let cool completely before slicing.
