Step 1

Preheat the oven to 200C/ gas 6/fan 180C. Put all the vegetables into a roasting tin. Drizzle with the olive oil, season with salt and pepper, then toss everything together.

Step 2

On a plate, mix together the lemon zest and pork seasoning or herbs. Roll the pork tenderloin in the mixture, then put it on top of the vegetables. Roast for 40 minutes.

Step 3

Peel and core the apple and cut it into chunks. Scatter the pieces into the roasting tin, then pour in the hot stock and cook for a further 15-20 minutes. Slice the pork, arrange on a platter with the veg, then spoon the pan juices on top.