Cut the avocados in half, stone them and remove the flesh. Puree with lemon juice. Stir in the quark. Peel garlic and press it into the quark. Wash the cucumber. Grate about 1/3 coarsely and squeeze out a little. Stir the grated cucumber into the avocado quark. Season to taste with salt, pepper and chilli
Peel, wash and cut the carrots into long diagonal pieces. Clean and wash the chicory and remove the leaves. Celery clean, wash and cut into pieces. Put some celery green aside. Cut the rest of the cucumber into coarse sticks
Spread the flat bread with avocado tzatziki. Serve with vegetables and the remaining dip. Garnish with celery green and possibly lemon