Chicken With Cream Sauce And Mushrooms

Ingredients

• 1/4 cup extra virgin olive oil
• 4 small (150g each) chicken breast fillets (skin on)
• 600g cream delight potatoes, peeled, cut into 2cm cubes
• 1/2 cup light sour cream
• 50g butter
• 200g Swiss brown mushrooms, sliced
• 2 garlic cloves, crushed
• 1 leek, trimmed, thinly sliced
• 1 cup dry white wine
• 3/4 cup thickened cream
• 2 tsp Dijon mustard
• 1 tsp fresh thyme leaves, plus extra to serve
• 400g green beans, steamed
• 1 tbsp lemon juice