1/2 c. margarine or butter1 c. chocolate chips2 eggs1 c. brown sugar2 small bananas1/2 tsp. vanilla1/4 tsp. salt3/4 c. flour1 tbs. cocoa powderPreheat an oven to 325F. Grease an 8-inch square pan.Melt butter in saucepan over medium-low heat. Remove from heat, add chips, and stir until melted. Set aside to cool for 5 minutes.
Lightly beat the eggs in a medium bowl. Stir in the brown sugar, banana, vanilla, and salt. Pour the melted chocolate mixture into the banana mixture, and stir until well combined. Add the flour, stirring just until incorporated. Spread the batter into the prepared pan.
Bake in the preheated oven until a toothpick inserted near the center comes out with moist crumbs, about 35 minutes. Don't over bake.
Remove, and cool pan on wire rack before cutting.
(Adapted from Allrecipes)