In a small bowl, combine 1 tablespoon water, butter, brown sugar and mustard; set aside.
In a skillet or wok, stir-fry broccoli in oil for 1 minute; add remaining water. Reduce heat; cover and cook 3-4 minutes or until crisp-tender. Add mustard sauce and toss to coat.
One serving (prepared with reduced-fat margarine) equals 83 cal., 148 mg. sod, 0 chol., 7 g., carbo, 2 g pro., 6g fat.