Step 1

In the bowl of a food processor or blender, combine the basil, garlic, olive oil, lemon juice, sugar (if using), salt, and pepper. Pulse on high for about 2 minutes, scraping down the sides as needed, or until smooth. There should be no large chunks of anything! If there is, continue blending. Set aside until needed.

Step 2

Place a large pot of salted water over high heat; bring to a rolling boil. Add pasta and cook until al dente, about 7 to 8 minutes.

Step 3

While the water comes to a boil and the pasta cooks, prepare the vegetables. Slice the cherry tomatoes in half; thinly slice the basil and thinly slice the red onion; set aside until needed. Remove the mozzarella balls from the oil and set aside.

Step 4

When the pasta has finished cooking, drain it at once and quickly rinse it under cold water until cool, about 1 minute. Place cooled pasta in a large mixing bowl. Add dressing to pasta, then add the tomatoes, basil, onion, and mozzarella balls. Toss to combine.

Step 5

Serve at once, or chill until needed.