Teisen nionod, Welsh onion cake

Name: Teisen nionod, Welsh onion cake
Total time: 1 h 15 min
Cuisine: Welsh
Ingredients: 900g potatoes, peeled and thinly sliced; 3 onions, thinly sliced; 3 tbsp olive oil; 1 tsp dried thyme; 1 tsp black pepper; 150ml gluten free vegetable stock; 1 tbsp fresh parsley, chopped

Layers of potato and onion baked until the edges crisp and the middle turns soft and sweet.

Time1 hr 15
LevelEasy
Costabout £0.72 a head
Oven190°C (170°C fan)

Cost is worked out from Aldi and Tesco shelf prices in October 2026. Your shop and brands will differ.

4 servings

Ingredients

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900 gpotatoespeeled and thinly sliced
3onionsthinly sliced
3 tbspolive oil
1 tspdried thyme
1 tspblack pepper
150 mlgluten free vegetable stock
1 tbspfresh parsleychopped

Method

1
Heat the oven to 190°C (170°C fan). Grease a 20 cm round ovenproof dish with a little of the oil.
2
Soften the onions in 1 tbsp oil for 10 minutes.
10 min
3
Layer a third of the potatoes in the dish, then half of the onions. Sprinkle with thyme and pepper. Repeat, finishing with potatoes.
4
Pour over the stock and brush the top with the remaining oil.
5
Cover with foil and bake for 40 minutes. Remove the foil and bake for 20 minutes more until golden and crisp at the edges.
60 min
6
Scatter with parsley and serve.

Double check before you cook. Recipes can contain mistakes. Any diet labels come from the ingredients as written in this recipe and are a guide, not a guarantee. Always check every ingredient and the packet label for allergens and cross contamination, and ask your doctor or dietitian what is right for you, especially with coeliac disease, diabetes or a serious allergy. This is not medical advice.