Ingredients

• 1/4 cup olive oil
• 1/4 cup lemon juice
• 1/4 cup white vinegar
• 2 cloves garlic, minced
• 1 teaspoon ground cumin
• 1 teaspoon dried oregano
• 1/2 teaspoon dried thyme
• 1/4 teaspoon salt
• 1/4 teaspoon ground black pepper
• 2 pounds skinless, boneless chicken breast, cut into 1 1/2-inch pieces
• 6 wooden skewers
• 2 large green or red bell peppers, cut into 1-inch pieces
• 1 large onion, quartered and separated into pieces
• 12 cherry tomatoes
• 12 fresh mushrooms