*HOW TO MAKE A FLAX EGG:

• To make one flax egg mix 1 tbsp. flaxseed meal and 2 1⁄2 tbsp. water. Let it rest for 5 mins to thicken.
• Preheat oven to 175°C (350°F).
• Line an 8×8-inch baking pan with baking paper.
• Place the coconut oil and chopped chocolate in a medium-size heatproof bowl. Place the bowl over a pot of lightly simmering water. Stir the chocolate and coconut oil until they are completely melted.
• In a large bowl, mash the avocado and then stir in the chocolate mixture. Whisk in the sugar, then add in the flax eggs and vanilla extract, mix well.
• Next add in the cocoa powder, almond meal, baking powder and salt, mixing until just combined (do not overmix). Finally, stir in chopped walnuts.
• Spread the batter into the prepared baking tin and place it in the middle of the oven. Bake for about 25 to 30 minutes until the middle is set.
• Let completely cool on a rack and cut into 12 squares.