Cook the gnocchi according to package directions; drain.
Prepare an 8×8 baking pan with cooking spray. In a medium pan, heat the gnocchi and pasta sauce; salt and peppering to taste.
Layer the mixture with torn pieces of mozzarella, ending with whole pieces of cheese.
Broil for 5-7 minutes, or until the cheese is melted, bubbly and golden.
Top the gnocchi lasagna with fresh basil and heirloom tomatoes.