Juicy Marinated Steak Kabobs with Colorful Vegetables - cookrisp

Ingredients

• 2 pounds sirloin steak, cut into 1 1/4 inch pieces
• 2 bell peppers, cut into 1 1/4 inch pieces
• 1 red onion, cut into 1 1/4 inch pieces
• 1 zucchini, sliced
• Olive oil for coating
• Salt & pepper to taste
• 1/4 cup olive oil
• 1/4 cup soy sauce
• 3 cloves garlic, minced
• 3 tablespoons Worcestershire sauce
• 2 tablespoons lemon juice
• 2 tablespoons red wine vinegar
• 1 tablespoon dijon mustard
• 1 teaspoon fresh ground pepper