Heat oven to 180C/160C fan/gas 4. Put a glug of oil in a frying pan with the veg. Fry for 8-10 mins until softened. Add the lentils and cook for another 2 mins. Season well. Spoon into a medium pie dish with 1 tbsp water,then nestle in slices of the goat’s cheese. Top with scrunched up ruffles of the pastry sheets, brush with olive oil and bake for 15-20 mins until golden brown.