Avocado and Shrimp

Servings Serves: 4 Difficulty ': Easy Preparation time: 30 minutes. INGREDIENTS: 2 avocados juice of 1/2 lemon 4 lettuce leaves 1 tablespoon of aromatic vinegar, salt, pepper 3 tablespoons extra virgin olive oil 1 tablespoon chopped chervil 100g . peeled cooked shrimp