Vegan red velvet brownies

For my last recipe of the baking-filled week, I tried another red velvet recipe. Like the red velvet cupcakes I made earlier, these are also made with beetroot as well as kidney beans to give the red colour. Unfortunately they haven't come out red (the eternal red velvet problem) - but they do taste nice, albeit quite bean-y. As a bonus, they are pretty healthy.

Ingredients
1 cup red kidney beans
1/2 cup chopped cooked beetroot (roughly 1 small beetroot)
1/4 cup cocoa powder
3/4 tsp baking powder
1/8 tsp bicarbonate of soda
1/8 tsp salt
3/4 cup sugar
1/2 cup ground flax/ linseed
4 tbsp apple sauce
1 tsp vanilla extract
Method

1. Preheat the oven to 180 degrees C and grease an 8x8 inch tin with soya margarine.
2. In a food processor, puree the kidney beans and beetroot - it takes a while so be patient. Add the apple sauce and vanilla and pulse a few times to mix.
3. In a large bowl combine the cocoa powder, baking powder, bicarbonate of soda, salt, sugar and linseed. Add the bean and beetroot mixture and fold until well mixed.
4. Spoon the batter into the prepared tin and bake for 35 minutes, turning halfway through. When removing from the oven, test with a toothpick - some batter should cling to the toothpick.
5. Allow to cool completely and refrigerate for an hour before cutting.

Original recipe: Healthy vegan red velvet brownies