For the cottage cheese filling, put cottage cheese, sugar (leave a tablespoon for the rhubarb), and flour into a bowl.
400 g cottage cheese, 3 pcs egg, 1 tbsp flour, 100 g sugar
Blend until you get a smooth liquid cream.
Peel the rhubarb stalks from the films, they easily come off in strips. Cut into cubes. Add cinnamon and the remaining tablespoon of sugar. Mix.
½ tsp cinnamon, 150 g rhubarb
Pour the nut-free crumbs into the form, here a rectangular 15x25 cm. Press against the walls, making small edges. Arrange the rhubarb.
Pour the cottage cheese and egg filling over.
Sprinkle with buttery crumbs with nuts on top.
Put in the oven and bake the rhubarb pie at 170 ℃ for 30 minutes. Then turn off the heat, and let it cool inside the oven.
Divide the pie into portioned pieces. It is best served cold or slightly warm, as it cannot be cut nicely when hot.