Place sugar in mixing bowl and blend 20 sec/speed 10.
Add egg white and lemon juice then mix 10 sec/speed 6. Transfer to a bowl and set aside.
Preheat oven to 180°C. Line a 12-hole cupcake tray with cupcake cases. Place carrots in your Thermomix TM-6 mixing bowl and chop 10 sec/speed 6. Scrape down sides of mixing bowl using spatula then add eggs, agave syrup, cacao powder, flour and baking powder, vanilla extract, oil, water and salt, then mix 20 sec/speed 4. Pour cake batter into cupcake cases and bake for 15 minutes (180°C). Gently remove cupcakes from the cupcake tray and place on a cooling rack until they are completely cool.
Topping and Decoration
Brush sugar glaze on the cupcakes using a brush or a spoon, then top each cupcake with sprinkles as desired.