Clean the chilli pepper, cut lengthwise and remove the seeds. Chop the pod finely. Mix ketchup, chilli pepper, 50 g sugar, 1 tablespoon vinegar, coffee, whiskey and honey in a saucepan, bring to the boil and let it thicken for about 10 minutes.
In the meantime, season 2 tablespoons of vinegar with salt, pepper and 1 pinch of sugar, and add 2 tablespoons of oil. Peel, wash and drain the lettuce leaves. Clean, wash and slice the tomatoes.
Clean, wash and slice the cucumber. Put the prepared ingredients, except for a few larger salad leaves, in a bowl and fold in the vinaigrette. Remove the sauce from the heat and let it cool down.
Wash neck steaks and belly slices, dab dry, brush lightly with a little oil and season with salt. Grill the steaks, belly slices and sausage snails on the preheated grill, turning, for 10-15 minutes, season with pepper.
Cut open the rolls, spread the undersides with sauce and cover with some lettuce leaves. Place sausage snails on the rolls. Arrange rolls, remaining meat and salad on plates. Add the remaining sauce and half the rolls.