Massage kale with salt in a large mixing bowl for 2 minutes. Pour vinegar over the kale and toss to coat. Fold apple, feta cheese, currants, and pine nuts into the kale.
Step 2
When cycle finishes, turn dough out onto a lightly floured surface. Divide dough in half. Roll each half into a 12 inch circle, spread 1/4 cup softened butter over entire round. Cut each circle into 8 wedges. Roll wedges starting at wide end; roll gently but tightly. Place point side down on ungreased cookie sheet. Cover with clean kitchen towel and put in a warm place, let rise 1 hour. Meanwhile, preheat oven to 400 degrees F (200 degrees C).
Step 3
Bake in preheated oven for 10 to 15 minutes, until golden.