Add the remaining ingredients and cook over medium heat according to the directions on the pasta packaging, usually about 8 – 10 minutes. Stir often, especially at the beginning otherwise the pasta may stick to the bottom of the pot.
1 cup tomato sauce, 1 tbsp tomato paste, 1 ¼ cup small shaped pasta (like orzo or little stars), 4 ½ cups water, 1 teaspoon salt, 1/4 teaspoon pepper