Mix the buckwheat with the spinach and crumbled tofu, season with salt and pepper.
Fill the kohlrabi halves with the buckwheat mixture and place in a roasting dish. Season the cream with salt, pepper and paprika. Pour the cream over the kohlrabi. Add the removed kohlrabi pulp, basil and parsley sprigs. Bake at 180°C for approx. 15 minutes.