Defrost the pastry sheets. Peel and chop onion and garlic. Clean and wash the spinach. Wash and chop the thyme.
Fry the onion and garlic in 1 tablespoon of hot oil. Let spinach collapse in it. Season with salt, pepper and thyme. Let cool off
Roll out the dough sheets into 2 rectangles (approx. 10 x 20 cm). Halve first lengthwise, then crosswise
Spread 1/8 of each spinach on the dough. Brush the edges with some egg yolk, fold over to form triangles and press on. Coat pockets with the remaining egg yolk and sprinkle with sesame seeds. Bake in a hot oven (electric cooker: 200 °C/ convection oven: 175 °C / gas mark 3) for 15-18 minutes
Clean, wash and chop the tomatoes, lettuce and cucumber. Mix vinegar, salt, pepper, sugar. Fold in 1 tablespoon of oil. Mix with salad ingredients. Sideboards