Bring 2 quarts of water to a boil in a sauce pan and add the zucchini and peas.
Boil for 2 minutes then strain to remove the water.
Place vegetables back in the sauce pan and add pesto, salt and red pepper flakes, stirring to combine.
Finally, add the tomatoes and lightly toss to combine.
Serve hot and add a small bit of grated Parmesan if desired