Comforting Simmered Chicken Adobo with Colorful Veggies

Ingredients

• 2 lbs (900 g) bone-in chicken thighs, skinless
• 1/2 cup (120 ml) soy sauce
• 1/2 cup (120 ml) white vinegar
• 4 cloves garlic, minced
• 1 bay leaf
• 1 tsp black peppercorns
• 1/4 cup (60 ml) chicken broth or water
• 1 medium onion, sliced
• 1 red bell pepper, sliced
• 1 cup (150 g) carrots, sliced
• 1 cup (100 g) green beans, trimmed
• 1 tbsp (15 ml) vegetable oil
• Salt and pepper to taste
• 2 green onions, sliced (optional)