Creamy Sausage and Sage Pie

Ingredients

• 1 tablespoons oil

• 450 gram (1 pound) herb sausages

• 1 onion, sliced

• 2 teaspoon Dried Sage

• 4 teaspoon cornflour

• 450 millilitre (3/4 pint) chicken stock

• 1 tablespoons wholegrain mustard

• 1 tablespoons honey

• 4 tablespoons double cream

• 675 gram (1 1/2 pounds) mashed potato