Add oil and onions to a medium saute pan and heat over medium-high heat. Saute for 3 minutes or until onions are soft.
Add cherry tomatoes to skillet. Saute tomatoes for another 3 minutes until skins are blistered and flesh is heated through; season with salt and pepper.
Meanwhile, cook Piccolini® Mini Farfalle according to directions on the package.
Remove sauce from heat, puree 1/3 of sauce in a blender on high, for 2 minutes. Return the puree to saute pan.
Drain and toss pasta with sauce. Finish with basil and mozzarella cheese.