BROWN meat in large skillet; drain. Return meat to skillet.
STIR in water; bring to boil. Add macaroni and onion powder; stir. Cover; simmer on medium-low heat 8 min. or until macaroni is tender, stirring occasionally.
ADD VELVEETA and broccoli; cook and stir 8 to 10 min. or VELVEETA is melted and mixture is well blended.