Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter — 300g
As of 10 Oct 2026, Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter 300g is cheapest at Sainsbury's at £5.75 (£19.17/1 kg) in United Kingdom.
Prices updated 10 Oct 2026
Lowest recorded price: £4.90 at Sainsbury's (5 Oct); highest: £5.75 — currently £5.75 at Sainsbury's. Tracked since Jul 2026.
Showing prices and history for this exact variant. Other brands and sizes appear on the broader product category page.
Price History
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Price
| Retailer | Brand | Size | Price | Unit Price | In Stock | Updated |
|---|---|---|---|---|---|---|
 Sainsbury's | Sainsbury's | 300g | £5.75 | £1.92/100gBest | In stock | 10 Oct |
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Frequently asked questions
- Where is Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter 300g cheapest?
- Sainsbury's has the lowest price at £5.75 (£19.17/1 kg).
- What is the unit price of Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter 300g?
- Priced per 100g. Sainsbury's offers the best value at £1.92/100g.
- What is the lowest price ever for Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter 300g?
- The lowest price CartSorted has recorded for Sainsbury's Just Cook 21 Day Matured Beef Steaks with Black Garlic Butter 300g is £4.90 at Sainsbury's (5 Oct), since we began tracking in Jul 2026. The current cheapest price is £5.75 at Sainsbury's.