Italians tend to do it best, as with so many things ... just make sure it involves a bit more of this classic Italian liqueur ...
Or real amaretto liqueur for a boozy touch ... If you touch the batter with your finger, it will not spring back. This is the best way if you want the super moist and dense brownie.
Add amaretto, zest and vanilla paste, and fold again to incorporate. Use a #40 (1½ tablespoon) scoop to portion dough into rounds, rolling each one into a sphere between your hands before placing ...