Potato and celeriac mash recipe

Name: Potato and celeriac mash
Yield: Serves 6
Ingredients: 1.2kg Maris Piper potatoes, peeled and cut into 2.5cm chunks; 500g celeriac, peeled and cut into 2cm chunks; 1 garlic clove, peeled; 75g 50% less fat crème fraîche; 50g pecorino, finely grated; 6 thyme sprigs, leaves picked, plus extra to serve

Who doesn't love a bit of mash? These light and fluffy mashed potatoes are the ideal accompaniment to your Christmas dinner

See method

Serves 6
5 mins to prepare and 20 mins to cook
221 calories / serving

Gluten-free
Vegetarian
Healthy

Shop your ingredients

Tesco Maris Piper Potatoes 1.25Kg
£1.00 Clubcard Price
(£0.80/kg)
Offer valid for delivery from 22/09/2026 until 19/10/2026
1.2kg Maris Piper potatoes, peeled and cut into 2.5cm chunks
£1.45
£1.16/kg
Tesco Celeriac Each
500g celeriac, peeled and cut into 2cm chunks
£1.70
£1.70/each
Tesco Large Garlic
1 garlic clove, peeled
£0.50
£0.50/each
Tesco Grated Pecorino Cheese 50G
50g pecorino, finely grated
£1.45
£29.00/kg
Tesco Fresh Cut Thyme 20G
Aldi Price Match
6 thyme sprigs, leaves picked, plus extra to serve
£0.50
£25.00/kg
Tesco 50% Less Fat Creme Fraiche 300Ml
Aldi Price Match
75g 50% less fat crème fraîche
£0.75
£2.50/litre

Method

Put the potato, celeriac and garlic in a large pan and cover with cold water. Bring to the boil, then reduce the heat and simmer for 12-15 mins until tender.
Drain well, then season and pulse in a food processor (or mash) until puréed with the crème fraîche, pecorino and thyme. Sprinkle with extra thyme leaves to serve.