heat a large nonstick stewer, lightly coated with cooking spray, over med-high heat. add the ground beef and cook, stirring and breaking it up, until it loses pinknees about 2 min. add the onions and cook, stirring frequently, until the onions soften, 5 min. add the tomatoes, tomatoes,tomato sauce, chicken broth, soysauce, basil, oregano, garlic powder , and bring to a boil. reduce heat and let simmer, covered, for20 min.