Black Bean and Avocado Brownies

1 15 oz can black bean drained and rinsed
1/2 an avocado
2 eggs
1/4 cup honey
1/4 cup peanut butter
1/4 cup cocoa powder
1/4 tsp  of salt
1 teaspoon vanilla extract
1/4 cup of sugar
1 tbs instant coffee

Source: http://www.bakeaholicmama.com/2012/03/healthy-brownie.html