Peel and finely dice the shallots. Clean, wash, quarter, seed and finely dice the tomatoes. Wash the dill and chop finely, except for a little bit. Halve the avocado, remove the stone and peel the avocado halves
Roughly dice the avocado flesh and immediately puree it together with lemon juice. Stir in yoghurt. Season with salt and cayenne pepper. Fold in dill and 3/4 each of the shallots and tomatoes. Serve the dip. Sprinkle with remaining shallots and tomatoes and garnish with dill. Add the tortilla chips