JALAPENO BBQ SAUCE BEEF AND PEPPER KABOBS

• 1 large onion
• 2 pounds beef top sirloin steak, cut into 1-inch cubs
• 1 each medium sweet green, yellow, orange and red peppers, cut into 1-inch squares
• mushrooms
• 1 Jar Jalapeno BBQ Sauce

Ina large heavy-duty resealable plastic bag, combine the Jalapeno BBQ Sauce onion, and meat. Seal bag and turn to coat. Refrigerate for 6 hours or overnight.
Thread meat, peppers, and mushrooms on metal or soaked wooden skewers alternately each.
Grill over medium heat for 12-15 minutes or until the meat reaches desired doneness, turning often.