To prepare a salmon and pasta stuffed tomatoes recipe, you will first need to prepare the pasta. Place the cooked pasta in the bottom of an oven-proof dish and add the salmon. Bake for 20 minutes or until the fish flakes easily when pierced. Remove the dish from the oven and let it cool for 10 minutes. Cut the tomatoes in half lengthwise and scoop out the insides. Fill each half with shredded salmon, and then with the ricotta cheese. Sprinkle with parsley and serve.