Big Rosti costs €9.70 at McDonald's in Ireland, as last recorded on 14 Oct 2026.
Based on the latest tracked prices, the Big Rosti from McDonald's costs €9.70 in Ireland (November 2026). That's about 66% above the typical McDonald's World Menu Heist item — the 3rd-most-expensive of 10 we track. It's available at around 73 McDonald's locations across Ireland. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.
How this compares in World Menu Heist
10 items tracked| This item | €9.70 |
| World Menu Heist median | €5.85 |
| Cheapest — Mac & Cheese Triangles | €4.30 |
| Most expensive — McExtreme | €11.95 |
| vs World Menu Heist median | +66% |
Compare McDonald's prices across countries — Fast-Food Price Index →
Prices last updated 14 Oct 2026.
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Sources & method
Prices come from delivery-platform menus (mainly Uber Eats in Ireland) and are refreshed about weekly. They are indicative: delivery-platform prices can differ from in-store prices, and each item shows the date it was last recorded. See the methodology and the editorial policy.
MenuPriceToday is not affiliated with McDonald's. Prices are indicative and may vary by location.