Creamy, Healthy Chicken Salad

Name: Creamy, Healthy Chicken Salad
Prep time: 12 min
Total time: 12 min
Ingredients: Medium-sized cooked chicken breast; Salad leaves of your choice; 6 cherry tomatoes; 1/4 medium-sized cucumber; 1 spring onion; 6 flat leaf parsley leaves; 1 tsp light mayonnaise; 1 tbsp 5% fat greek yogurt; A pinch of salt; 1/2 tsp garlic powder; 1/2 lemon; 1/2 avocado