Cheapest Mashed & Prepared in the UK
Prices updated 15 November 2026 · 8 products across 6 supermarkets
We compare mashed & prepared across all 9 major UK supermarkets: Tesco, Asda, Sainsbury's, Morrisons, Waitrose, Aldi, M&S, Ocado and Iceland — and rank by price per unit so you can see where mashed & prepared is genuinely cheapest. Prices update daily.
ASDA Peeled Potatoes 600g£2.50/kg£1.502
Morrisons Peeled Potatoes 500g£3.00/kg£1.503
M&S Herby Hasselback Potatoes 750g£5.67/kg£4.254
Exceptional by ASDA Hasselback Potatoes 450g£5.82/kg£2.625
Picard Potatoes Sarladaise 600g£6.17/kg£3.706
Easy To Cook Salt & Pepper Hasselback Potatoes (Serves 2)£6.67/kg£3.007Waitrose Hasselback Potatoes£6.67/kg£3.008
Tesco Finest Hasselback Potatoes with Whole Garlic Cloves 450g£6.67/kg£3.00Cheapest Mashed & Prepared: FAQ
Where is the cheapest mashed & prepared in the UK?
Right now the best value mashed & prepared is ASDA Peeled Potatoes 600g at Asda, £1.50 (£2.50/kg). SmartShelf ranks mashed & prepared by price per unit across 6 supermarkets, updated daily.
Which supermarket is cheapest for mashed & prepared?
We compare mashed & prepared across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi, M&S, Ocado and Iceland. Today Asda has the cheapest option, but the ranking updates every day as prices change.
How does SmartShelf compare mashed & prepared prices?
We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available. Free, with no sign-up.