Vinaigrette Beef Kabobs (Gooseberry Patch)

I found this on the Gooseberry Patch website and I am posting for safe keeping. It can be found in the "Gooseberry Patch: Almost Homemade" cookbook. (3 Hours prep time includes marinating time)

• Ready In: 3 hrs 8 mins
• Serves: 4

Ingredients

• 3⁄4 cup  vinaigrette dressing, divided
• 1  tablespoon Dijon mustard
• 1  lb boneless beef sirloin, cut into 1-inch cubes
• 8  cherry tomatoes
• 1  onion, sliced into 8 wedges
• 1  green pepper, sliced into 8 wedges
• 4 (12 inch)  wooden skewers

Directions

1. Combine 1/2 cup vinaigrette dressing and mustard in a large plastic zipping bag.
2. Add beef, tomatoes, onion and green pepper; turn to coat.
3. Seal bag and refrigerate for 3 hours or overnight.
4. Remove beef and vegetables from bag, discarding marinade.
5. Thread beef and vegetables alternately onto skewers.
6. Grill or broil kabobs for about 8 minutes, turning occasionally and brushing frequently with remaining dressing, until beef is done and vegetables are tender.