Place the dough sheets next to each other and allow to thaw. Clean and wash the spring onions and cut into fine rings. Wash the thyme, dab dry and remove the leaves
Cut a strip of dough about 1/2 cm on each side. Place the squares on a baking tray lined with baking paper. Brush the edges with some water. Place the strips of dough on top of the squares, lay the ends on top of each other and press on
Whisk the egg yolk and brush the edge strips with it. Pre-bake in the preheated oven (electric oven: 200 °C/ convection oven: 175 °C/gas: level 3) for approx. 8 minutes
Mix crème fraîche and spring onions. Season to taste with salt and pepper. Fill into the tartlets and place one cheese taler on each. Sprinkle with thyme. Bake at the same temperature for about 15 minutes. Serve with cranberries