Simple strudel

For Dough:
* 1 cup yogurt
* 1 cup of sugar
* 250 grams of melted butter
* 1 egg
* 1 teaspoon baking soda
* flour

For Filling:
* 3 sorted apples
* 2 tablespoons sugar
* 1 tablespoon cinnamon
* 1/2 teaspoon whole walnuts

At first mix all the ingredients except the flour, then gradually add the flour. Press the dough well and cover the top once it has formed and leave it aside.
Begin to prepare the filling, fry in a saucepan 3 fried apples, 2 tablespoons sugar, 1 tablespoon cinnamon. Then add the crushed walnuts. Take the dough and divide it into 3 pieces, cut into pizza in medium thickness, divide each into 8 triangular pieces, pour a teaspoon of filling and close so that the back of the triangle comes from above.
Line them in baking pan and bake at 170C ‘without discarding them until they begin to color. After cooling slightly, pour over powdered sugar (if baking starts to fry, lower oven temperature to 150C).