Beef Shish Kabobs on the grill

Ingredients

• 1 pound beef sirloin (top sirloin, or filet)
• 1 medium onion
• 1 green pepper
• 10 large white mushrooms
• 1 red pepper (optional)
• 2/3 cup dry red wine (burgundy or pinot noir)
• 1 teaspoon salt
• 1/2 teaspoon sugar
• 1/8 teaspoon paprika
• 1/8 teaspoon black pepper
• 1/8 teaspoon garlic powder
• 1/8 teaspoon onion powder
• 1 tablespoon olive oil