Chicken Stroganoff

Ingredients

• 4 tbsp olive oil, divided
• 1 brown onion, finely diced
• 2 cloves garlic, minced
• 250 g button mushrooms, sliced
• 500 g chicken thighs, cut into bite-sized pieces
• 2 tbsp cornflour
• ¼ tsp salt
• ¼ tsp freshly ground black pepper
• 250 mL chicken stock
• 1 tbsp Dijon mustard
• 200 g sour cream
• ½ bunch flat leaf parsley, chopped