Sweet Potato Turned into "ice Cream" Filling-sweet Potato Puree Cake Roll
1.
Cut sweet potatoes into cubes and steam them, sieving while hot
2.
Use a spatula to mix the butter and icing sugar softened at room temperature
3.
Mix steps 1 and 2 and mix well with a spatula
4.
Add whipped cream in portions
5.
Stir evenly with a whisk, and serve as the filling of sweet potato puree
6.
Mix the egg yolks and 15 grams of sugar with a whisk until the color becomes lighter
7.
Mix the salad oil and milk evenly, add them to the egg yolk and stir evenly
8.
Add 50 grams of sweet potato puree and stir evenly
9.
Sift in the low-gluten flour, use a whisk to stir evenly in irregular directions
10.
Add sugar to the egg whites three times, and beat until almost stiff foaming
11.
Add one-third of the meringue to the egg yolk paste and mix well with a whisk
12.
The remaining two-thirds of the meringue is mixed with step 6, and stir evenly with a spatula
13.
Pour the egg batter into the baking dish and use a spatula to smooth the surface
14.
Put it into the middle of the oven, heat up to 190°C, lower heat to 170°C, and bake for about 15 minutes
15.
After the baked cake is taken out, move it to the drying rack, tear off the greased paper on the four sides, and cover with a clean baking greased paper when it is allowed to dry to lukewarm temperature
16.
Turn the cake over, tear off the oily paper at the bottom of the cake, and cut it diagonally on one side
17.
Put the sweet potato paste on the stuffing prepared in advance
18.
Lift the oily paper at the bottom, roll it up, put it in the refrigerator for half an hour to set
19.
After removing the oily paper, you can also decorate the top of the cake roll with an appropriate amount of sweet potato paste (also can be directly cut into pieces)
Tips:
This cake roll must be refrigerated, the sweet potato paste inside will be more delicious.