Mix flour and 1 teaspoon of salt. Melt butter, add milk and warm it up lukewarm. Crumble yeast into it and dissolve it. Knead yeast milk, egg and flour with the dough hooks of the hand mixer to a smooth dough. Cover the dough and let it rise in a warm place for about 45 minutes.
Clean and wash spring onions and cut into fine rings. Mix spring onions with ham nuggets. Grate cheese. Knead yeast dough again briefly, cut in half and roll out to 2 rectangles (25 x 30 cm) on a floured work surface. Spread each dough sheet with 2 tablespoons of oil. Spread ham mixture and cheese on top. Roll up both rolls from the short side. Cut each roll into 9 slices. Place on 2 baking trays lined with baking paper.
Spread ham mixture and cheese on top. Roll up both rolls from the short side. Cut each roll into 9 slices. Place on 2 baking trays lined with baking paper. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes. Take out snails and arrange warm or cold
35 minutes waiting time