Quick Poule au Pot

Ingredients

• • 4 skinless, boneless chicken breast halves, cut into thirds
  • 2 tbsp unsalted butter
  • 3/4 lb (340 g) baby potatoes
  • 1/2 lb (224 g) Nantes carrots
  • 1/2 lb (225 g) small turnips, peeled and quartered
  • 1 cup (95 g) leeks, sliced into rounds
  • 2 garlic cloves, halved
  • 2 cups (500 ml) low-sodium chicken broth
  • 2 cups (500 ml) water
  • 1 tbsp (15 ml) whole-grain mustard
  • 1/2 lb (225 g) green beans, sliced into chunks
  • 1 cup (150 g) frozen peas, thawed