-Mariella uses only the best raw ingredients in the production of its Gluten Free Penne Rigate pasta. These raw ingredients are specially selected and strictly controlled during the production process in order to ensure that the pasta is totally free of genetically modified organisms. Mariella Gluten Free Penne Rigate Pasta An exquisite taste, a delicate texture: these are the characteristics that make our pasta unique. Mariella uses only the best raw ingredients in the production of its Gluten Free pasta. These raw ingredients are specially selected and strictly controlled during the production process in order to ensure that the pasta is totally free of genetically modified organisms.