A good homemade pie is hard to beat but many can be costly when calling for fresh ingredients like chicken, leek or steak. This classic fish pie recipe is a little different, using frozen ingredients to bulk out the filling and keep costs to a minimum. It also makes it a reliable recipe that you can make at the last minute, as long as there are a few items lurking in the freezer.

Shared by Joe Wicks (@thebodycoach), who has partnered with Asda to create quick, healthy, and budget-friendly recipes , the pie includes all the best flavours of the traditional British dish, without expensive cuts of fish or vegetables. This fish and potato pie promises to be "classic but so simple", and an "easy" recipe that everyone should have in their repertoire. Fish pie recipe Three tbsp plain flour One low-salt vegetable stock cube 750g white potatoes, peeled and chopped into roughly 4cm chunks 568ml (one pint) semi-skimmed milk 520g Just Essentials by Asda White Fish Fillets (frozen) 300g Asda Frozen for Freshness Mixed Vegetables, plus 400g to serve A total of 25 minutes is all you need to set aside to make this delicious pie thanks to the simple recipe .

Start by heating the milk in a medium-sized saucepan over medium heat. Add the fish and cook with the lid on for seven minutes until steaming, then cover and turn off the heat and leave for five minutes. Remove the fish with a slotted spoon and place in an ovenproof dish approx.

22x22 cm in size. Put the potatoes into a pan of salted cold.