Grilled Chicken and Vegetable Skewers

Ingredients

• 4 boneless, skinless chicken breasts, cut into chunks
• 2 red bell peppers, cut into chunks
• 2 green bell peppers, cut into chunks
• 2 courgettes (zucchini), cut into chunks
• 1 red onion, cut into chunks
• 16 cherry tomatoes
• 1/4 cup olive oil
• 1/4 cup lemon juice
• 4 cloves garlic, minced
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 8 wooden skewers