Cook sweet potatoes in salted water until tender; drain water and put it in a food processor; process until smooth; add a dash of cinnamon, a pinch of salt, butter, heavy cream and egg; process until tender
2
Put 1 in a pastry bag and put into an alumi foil cup; coat the surface with egg yolk and a bit of water mixture; bake at 200c until the surface becomes golden (about 16-20min) creates 15 small servings. enjoy!