Mix lemon juice and 1⁄2 tsp. salt. Add oil bit by bit while stirring. Season with pepper.
Clean, wash, spin dry and cut the salad into strips. Clean, wash and possibly skin the peppers and dice them roughly. Wash and halve tomatoes. Sort blackberries, wash if necessary. Coarsely chop nuts. Cut avocado in half, remove seeds and peel the flesh with a spoon.
Pluck the goat cheese into pieces. Mix carefully with avocado, dressing, lettuce, berries, tomatoes and paprika. Sprinkle with goji berries, nuts and cress as desired.
...how do I skin peppers? Place the pepper quarters on a baking tray with the skin side up, bake in a hot oven at 220 °C for approx. 15-20 minutes until the skin starts to blister. Take them out and let them cool down covered with moist kitchen paper. Then carefully remove the skin.