SUMMER SALAD with Avocado, Cherry Tomatoes,Cucumbers, Red Onions, Mozzarella, and Basil Pesto – healthy recipe packed with nutrients and lots of fresh ingredients! Perfect Spring and Summer salad! Small fresh Mozzarella cheese balls are delicious when combined with avocado in this easy salad that also features red and yellow cherry tomatoes, cucumbers, and red onions. The dressing for this avocado salad couldn’t be easier to make – just combine fresh basil pesto with lemon juice!