On average a household in the UK now spends just under £100 a week on food, with prices rising 4.5% year on year by January. Since then inflation has risen closer to 10% - pushing up the cost of everything.
DerbyshireLive reporter Cameron Mellor decided to test the spending power of £20 in two different shops - the Food Warehouse from Iceland and Marks and Spencer's Food Hall.
He said: "Obviously, at the end of the day, it all comes down to shopper preference. But the difference in how much more you can get at Iceland's Food Warehouse is clear to see.