Bring a large pot of water to boil with a generous amount of salt. The water should be salty.
Add the pasta and cook for the pasta packet time + 1-2 minutes.
Drain and rinse under cold water. Shake off excess water well, then allow to fully cool and dry.
Mix the pesto and mayonnaise until smooth.
Assemble – Place pasta in a bowl, add in the pesto, bocconcini and both types of tomatoes, along with the pine nuts and arugula; toss gently just to combine.
Serve!
