Vegan Black Bean Brownies - Vegan Heaven

Ingredients

• 2 15 oz cans black beans (~3 cups)
• 4 tablespoons ground flax seeds
• 8 tablespoons water
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 cup cocoa powder
• 1/2 cup agave
• 1/4 cup brown sugar
• 3 tablespoons coconut oil, melted
• 2 tablespoons almond milk
• 1/2 cup vegan chocolate chips
• 1/4 cup walnuts, chopped