Puttanesca Sauce

and stir to combine. Heat through. Add diced tomato, tomatopaste, red pepper flakes,and water or broth. Stir until all is combined. Continue cooking on low heat until sauce is thickened, 20 to 30 minutes. Stir occasionally. Should be a thick chili consistency when done. Add more tomato paste if sauce is thin; add more broth if too dry. Serve over cooked rice and with tortilla shells, if desired.