Preheat the oven to 200c/390f.
Mash the sweet potato in a large bowl, then add all of the remaining ingredients (except the flour). Add the flour and lightly stir to combine to remove any lumps.
Pour the mix into the muffin tin, top with any leftover cooked veggies and the cheese.
Place in the oven & bake for 22-24 minutes until cooked*.
Remove from the oven & allow to cool for 5 minutes before gently removing from the tin using a spoon & leave to cool on a cooling rack.