Base
1 dl Mummon Genuine Mielihyvä Potato Flakes
1 1/2 dl gluten-free or regular wheat flour
1/2 tsp baking powder
75 g margarine
1 dl cold water
Filling
500 g rhubarb pieces
100 g vanilla cream cheese
1 egg
1/2 dl milk
1 dl sugar
Mix the dry ingredients together and then rub in the margarine. Add the water and mix until smooth. Let it rest in a cool place for about 15 minutes.
Meanwhile, prepare the filling. Beat the filling ingredients in a bowl until smooth with an electric mixer.
Spread the dough onto the bottom and sides of a greased pie tin. Spread the rhubarb pieces over the base and pour the filling over the pieces.
Bake on the lower rack of the oven at 225°C for about 30 minutes. Let it rest a moment before serving.
For decoration you can put, for example, rhubarb peel or edible apple blossoms!