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Cheapest Peanut Butter in the UK

Prices updated 13 October 2026 · 230 products across 7 supermarkets

The best-value peanut butter in the UK right now is Stockwell & Co Crunchy Peanut Butter 340G at Tesco — £2.65/kg (£0.90).
230Products Compared
7Supermarkets
£2.65Lowest /Kg

We compare peanut butter across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where peanut butter is genuinely cheapest. Prices update daily.

1Stockwell & Co Crunchy Peanut Butter 340GStockwell & Co Crunchy Peanut Butter 340GTescoBest value£2.65/kg£0.902GRANDESSA Smooth Peanut Butter 0.34 KGGRANDESSA Smooth Peanut Butter 0.34 KGAldi£2.79/kg£0.953GRANDESSA Crunchy Peanut Butter 0.34 KGGRANDESSA Crunchy Peanut Butter 0.34 KGAldi£2.79/kg£0.954Tesco Smooth Peanut Butter 340GTesco Smooth Peanut Butter 340GTesco£2.79/kg£0.955Tesco Crunchy Peanut Butter 340GTesco Crunchy Peanut Butter 340GTesco£2.79/kg£0.956GRANDESSA Crunchy Peanut Butter 340 gGRANDESSA Crunchy Peanut Butter 340 gAldi£2.79/kg£0.957GRANDESSA Smooth Peanut Butter 340 gGRANDESSA Smooth Peanut Butter 340 gAldi£2.79/kg£0.958ASDA Classic Crunchy Peanut Butter 700gASDA Classic Crunchy Peanut Butter 700gAsda£2.81/kg£1.979ASDA Smooth Peanut Butter 700gASDA Smooth Peanut Butter 700gAsda£2.81/kg£1.9710ASDA Classic Crunchy Peanut Butter 340gASDA Classic Crunchy Peanut Butter 340gAsda£2.85/kg£0.9711ASDA Classic Smooth Peanut Butter 340gASDA Classic Smooth Peanut Butter 340gAsda£2.85/kg£0.9712Tesco Smooth Peanut Butter 700GTesco Smooth Peanut Butter 700GTesco£2.86/kg£2.0013Tesco Crunchy Peanut Butter 700GTesco Crunchy Peanut Butter 700GTesco£2.86/kg£2.0014Stamford Street Co. Crunchy Peanut Butter 340gStamford Street Co. Crunchy Peanut Butter 340gSainsbury's£2.94/kg£1.0015JUST ESSENTIALS by ASDA Just Essentials Crunchy Peanut Butter 340gJUST ESSENTIALS by ASDA Just Essentials Crunchy Peanut Butter 340gAsda£2.94/kg£1.0016Morrisons Smooth Peanut Butter 700gMorrisons Smooth Peanut Butter 700gMorrisons£3.21/kg£2.2517Morrisons Crunchy Peanut Butter 700gMorrisons Crunchy Peanut Butter 700gMorrisons£3.21/kg£2.2518Sainsbury's Peanut Butter Smooth 340gSainsbury's Peanut Butter Smooth 340gSainsbury's£3.24/kg£1.1019Sainsbury's Peanut Butter Crunchy 340gSainsbury's Peanut Butter Crunchy 340gSainsbury's£3.24/kg£1.1020Sainsbury's Peanut Butter Crunchy 700gSainsbury's Peanut Butter Crunchy 700gSainsbury's£3.29/kg£2.3021Sainsbury's Peanut Butter Smooth 700gSainsbury's Peanut Butter Smooth 700gSainsbury's£3.29/kg£2.3022Essential Smooth Peanut ButterEssential Smooth Peanut ButterWaitrose£3.60/kg£1.8023Essential Crunchy Peanut ButterEssential Crunchy Peanut ButterWaitrose£3.60/kg£1.8024Morrisons Smooth Peanut Butter 340gMorrisons Smooth Peanut Butter 340gMorrisons£3.68/kg£1.25
See The Live Peanut Butter Comparison →

Cheapest Peanut Butter: FAQ

Where is the cheapest peanut butter in the UK?

Right now the best value peanut butter is Stockwell & Co Crunchy Peanut Butter 340G at Tesco, £0.90 (£2.65/kg). SmartShelf ranks peanut butter by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for peanut butter?

We compare peanut butter across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S. Today Tesco has the cheapest option, but the ranking updates every day as prices change.

How does SmartShelf compare peanut butter 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.