Mix sour cream, cottage cheese, garlic, green onion in a blender.
Roll the puff pastry into a circle. Apply sour cream and curd cream in a thin layer.
Cut the salmon into thin slices, put on the cream. Cut the filled dough into 4-8 pieces. Twist each sector into a tube from the edge to the center.
Place croissants on a baking sheet lined with baking paper, brush with egg yolk (using a cooking brush), or sprinkle with a mixture of Provencal herbs on top.
Bake for 30 minutes in a preheated oven at t = 180 ° C. Bon Appetit !