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1
Slice the sweet potato 5mm thick and soak in water to get rid of any bitterness.
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2
Place the drained sweet potato, milk and sugar in a pan and heat.
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3
In the meantime, whisk the flour until there are no lumps.
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4
When the pan comes to a boil, cook over medium to low heat for 12 to 15 minutes until the sweet potatoes are soft.
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5
Mash the potatoes.
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6
Using a masher is easiest, but you can also use a fork or spatula
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7
Add the butter and flour.
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8
It's done when the butter has melted.
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9
Place the Step 6 mixture onto a piece of plastic wrap.
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10
Wrap it up and microwave for 4 minutes (at 730w).
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11
* The butter will melt out and make the dough slippery, so be careful.
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12
Shape the dough into a roll using a sushi roll mat.
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13
Secure both ends with rubber bands, and stand the sushi mat on end to cool.
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14
Place in the refrigerator when the dough has cooled slightly.
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15
It should look like this.
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16
Slice into 3cm pieces.
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17
* It's easier to slice when chilled.
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18
Line the a toaster oven baking tray with parchment paper, and arrange the pieces sliced in Step 12.
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19
Bake for 6 to 10 minutes.
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20
* It took 6 minutes at 1000w power.
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21
Shift the pieces around so that they brown evenly.
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22
They're ready.
