Beetroot: 100g (1 medium, peeled and grated), Whole wheat flour: 50g (1/4 cup), Cocoa powder (unsweetened): 10g (2 tsp), Baking powder: 2g (1/2 tsp), Baking soda: 1g (1/4 tsp), Salt: 0.1g (pinch), Egg: 50g (1 medium), Soy yogurt (unsweetened, low-fat): 60g (1/4 cup), Honey/Maple syrup: 15g (1 tbsp), Vanilla extract: 2ml (1/2 tsp), Olive oil: 10ml (2 tsp), Dark chocolate chips: 5g (1 tsp)