Chicken with Honey Mustard and Garlic

Ingredients

• 1 1/2 lbs. (675 g) chicken breast fillet
• 1 tablespoon (10 g) garlic, minced
• 2 teaspoons (10 g) wholegrain mustard
• 2 tablespoons (30 g) Dijon mustard
• 1/2 cup (4 oz or 125 g) sour cream
• 1/2 cup (4 fl oz or 125 ml) chicken stock, unsalted
• 1/4 teaspoon (1.5 g) Kosher salt
• 1/4 teaspoon (0.5 g) freshly ground black pepper
• steamed vegetables, to serve