Cook ground beef and white part of green onions in large skillet on medium-high heat until beef is no longer pink, stirring occasionally. Drain fat.
Stir in remaining ingredients except sesame seed. Bring to boil. Reduce heat to low; cover and simmer 15 minutes or until slightly thickened, stirring occasionally.
Sprinkle with remaining green onions and sesame seed. Serve over cooked jasmine rice or noodles, if desired.