In a double-boiler on the stove, melt butter and chocolate together.
2
While chocolate/butter is melting, combine black beans, eggs, agave, greek yogurt, instant coffee (prefer 1/4 packet of Starbucks Via) and vanilla in a blender. Blend until super smooth. Add cocoa powder in pulses until blended.
3
In a small bowl, mix flour and baking powder.
4
Once chocoloate/butter mixture is smooth, remove from stove and slowly incorporate blended liquids into chocolate 1/2 c. at a time. Whisk vigorously until well blended. Add dry ingredients (flour mix
5
Pour batter into 9x9'' square pan lined with parchment paper. Grease or no-stick corners and sides, if parchment does not go up all the way. Bake for 18-25 minutes at 350 degrees (310 degrees in convection oven). Remove when center is still slightly moist but rest of brownies are cooked. (DO NOT OVERCOOK.) Put foil loosely on top and let cool on counter for @20-45 minutes. Cut and serve. Makes 16 very rich squares.