He continued: “Once it goes all crispy, you can keep it in a Tupperware in the fridge to use later or use straight away.
“Once you add it to a sauce, it rehydrates, but you’ve already got that really concentrated flavour.”
Tom’s final tip for saving money on food was to “buy twice the amount” at the supermarket – “if you can”.
This may mean spending more in the short term, but in the long run this is an excellent money saver if done properly.
“Batch-cook meals like shepherd’s pie or soups to keep in the freezer to save on utilities.”