Recipes: Sweet potato chicken cottage pie

Preparation:    Preparation time: 5 mins Cooking time: 25 mins Serving: 4 Ingredients:   For the filling A glug of extra virgin olive oil 400 g skinless chicken breast cut into chunks 150 gr fresh mushrooms chopped 1 leek finely sliced ½ tbsp homemade butter 250 ml chicken stock 1+½ tbsp rice flour 100 ml semi-skimmed fresh milk warmed 100 gr frozen peas handful fresh thyme leaves chopped sea salt and pepper  ...