Peel the sweet potatoes and cut into 2cm chunks. Cut the carrot into 1cm chunks. Finely chop the onion. Cut the chicken into 2cm chunks. Crumble 1 stock cube* into a heatproof jug, add half the country seasoning*, 1 tsp dijon mustard and 250ml (1 cup) boiling water and stir to dissolve.
Step 2 — Cook sweet potato
Put the sweet potato in a medium saucepan of cold water and bring to the boil. Reduce the heat to medium and cook for 8-10 mins until tender. Drain, then return to the pan and cover to keep warm.
Step 3 — Brown chicken
Meanwhile, heat 2 tsp olive oil in a medium deep frypan over medium-high heat. Cook the chicken, stirring, for 3-4 mins until browned. Remove from the pan. Heat 2 tsp olive oil and 20g butter in the pan over medium-high heat. Cook the carrot and onion, stirring, for 4-5 mins until softened.
Step 4 — Simmer filling
Preheat the grill to medium-high. Scatter 1 tbs plain flour over the carrot mixture and cook, stirring, for 1 min. Gradually stir in the stock and bring to the boil. Add the peas and cook for 2 mins or until tender. Add the chicken and stir to combine. Remove the pan from the heat.
Step 5 — Grill pie and serve up
Transfer the chicken mixture to a 1L (4 cup) baking dish. Season the sweet potato with salt and pepper, then mash until smooth. Spoon the mashed potato over the chicken mixture and grill for 5 mins or until golden and warmed through. Stand for 5 mins to allow the sauce to thicken, then divide the pot pie among plates and enjoy!
Step 6 — Make it cheesy
If you have any cheese in your fridge, grate some and scatter it over the mashed sweet potato to create a cheesy topping for your pot pie!