In a
large bowl, whisk vinaigrette, barbecue sauce and mustard until blended.
Reserve 1/4 cup marinade for basting. Add beef to remaining marinade; toss to
coat.
Alternately
thread beef and tomatoes on four metal or soaked wooden skewers. Moisten a
paper towel with cooking oil; using long-handled tongs, rub on grill rack to
coat lightly.
Grill
skewers, covered, over medium heat or broil 4 in. from heat 6-9 minutes or
until beef reaches desired doneness, turning occasionally and basting
frequently with reserved marinade during the last 3 minutes.
Yield: 4 servings
