Add in the diced tomatoes and season with 1 tablespoon Italian seasoning, red pepper flakes (optional), and a sprinkle of salt.
Reduce heat to medium, cover and let simmer for about 5 minutes. The tomatoes will burst open and start to release its juices. (see photo above)
Add in spirlized sweet potato noodles and stir . Cover and let cook 5 minutes.
Add in zucchini noodles, cover and cook an additional 5 minutes.
Be careful not to over cook the vegetable noodles. You want them to be slightly al dente.
Remove cover, stir and season with salt and pepper.
Transfer to a serving dish and top with fresh chopped basil.