In large skillet, add oil and heat over a medium heat. Season filets with salt-free seasoning, place in pan and sear well on top and bottom. Pour in the broth and sherry wine; bring to a boil. Add Francesco Rinaldi® Original Recipe, No Salt Added Pasta Sauce and mix well. Add cayenne pepper and dill weed (reserve a sprig for garnish); bring back to a boil. Serve, sprinkled with lemon zest and remaining sprig of dill weed.