In a large bowl, combine halved red and yellow cherry or grape tomatoes, diced avocado, sliced cucumber, diced red onion, small fresh mozzarella cheese balls.
Add basil pesto and lemon juice to the salad and toss to combine. Season with salt and pepper, if desired. Use more basil pesto, if desired.
Want to make basil pesto from scratch? Here is a super flavorful and creamy 20-Minute Homemade Basil Pesto Recipe.
