Crouffin: 1. Sift the flour into a bowl, make a small dip in it, crumble in the fresh yeast and fill with warm water. Add sugar to the yeast and spread the other ingredients over the edge of the flour. Wait until the yeast starts to rise, then knead everything well and let it rise in a warm place. 2. Prepare white asparagus, sweet potatoes, salt, pepper and garlic oil. Cut everything into fine cubes, season and dress with a little oil, then bake in a combi steamer at 215°C, 25% humidity, 70% fan speed for 5 minutes. 3. After the dough has doubled in volume, divide it into six equal parts and roll it out thinly and oblongly. Sprinkle with some tiger nut flour then spread the baked white asparagus and baked sweet potatoes on top. Roll everything up tightly lengthwise. Cut these (cigars) in half lengthwise, turn the cut surface upwards and then twist them together to form snails, place them in a muffin tin and bake as follows in a preheated combi steamer: 175°C, 15% humidity, 50% fan speed, 15 minutes.///Sous-vide green asparagus: Prepare the green asparagus and vacuum seal it with the other ingredients and cook sous-vide in the combi steamer in steam mode at 85°C, 50% Fan speed for 30 minutes, then remove the asparagus from the combi steamer and let it marinate overnight in the sous vide bag in the refrigerator. ///Raspberry dressing: Put everything together in a high-performance blender, mix it into a homogeneous dressing, then strain and pour into a suitable bottle.