Line a slice tin with paper.

Roast sweet potatoes whole in oven until cooked. Let cool so you can peel them.

Place sweet potato in food processor or Vitamix, add nut butter, maple syrup, salt and Cacao and combined until well mixed

Place mixture into large bowl and add 1 cup coconut flour, mix until well combined

Press mixture into lined tin and press until evenly spread.

Place cacao, maple syrup, and coconut oil in a bowl and whisk until well combined. Pour over slice and spread evenly. Place in the fridge until set.

Slice and enjoy