STEP 1/9
Wash the sweet potatoes with the skin and prepare them
STEP 2/9
Put the sweet potatoes in a microwave container and cook them with plastic wrap. (The sweet potatoes are big, so I cut them in half and boil them for 7 minutes.)
STEP 3/9
Separate the egg into white and yolk
STEP 4/9
Meringue whites with whisk or fork
(It took about 7 minutes)
STEP 5/9
Mash the boiled sweet potatoes when they are hot
STEP 6/9
Add the yolk to the sweet potato
STEP 7/9
Add meringue, too
STEP 9/9
Transfer the mixed sweet potatoes to the microwave and heat them for 6 minutes
If you want something sweet, add oligosaccharide to make it sweet