Learn about the properties of Sweet Potatoes, a highly nutritious food, with a low caloric content and with multiple and surprising healthy uses.

Ingredients
Mass
- ¾ cup powdered sugar
- 100grs butter to point ointment
- 2 yolks
- 1 tsp vanilla essence
- 2 cups of flour (240 grams)
- 1 pinch of salt
- 1 tsp baking powder (chemical yeast, leavening)
- 3 tablespoons milk
Filling
- 300grs of sweet potato “Arroyo Sánchez”
- 4 tablespoons milk
- 1 tbsp of cocoa
- 3 tablespoons chopped walnuts
Preparation
Making the dough
Beat the butter with the sugar until a cream is obtained.
Add a bud and vanilla.
In Addition to sifting the flour together with salt and baking powder and add to the previous preparation, alternating with the milk to form a dough.
The dough should not work much just the necessary.
Form a cake with him.
Wrap in the paper film and take it to the refrigerator for at least 1 hours before use.

Filling
You Step on sweet potato candy.
Add nuts, cocoa and milk to a cream.
Assembling the cake.
Stretch three quarters of the dough with the piece, helping with a little flour until the dough is fine. Align a detachable pan of 24CTM. in diameter, lubricated and floured.
Fill the dough with the cream.
The rest of the dough is stretched and strips are cut to put them crossed over the cream.
Paint with yolk and bake in a moderate oven for about 30 minutes or until cooked and golden. Once cooked can be painted with apple jelly.