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A Loaf With a Story

Few breads carry their history as lightly as Irish soda bread. Long before commercial yeast was a cupboard staple in rural Ireland, families relied on soft wheat flour, soured milk and a pinch of bicarbonate of soda to put bread on the table. The reaction between the acid in the buttermilk and the alkali in the soda does the work yeast would otherwise do — and it does it in minutes rather than hours. That practicality is why the loaf survives, and why it still feels right on a cold morning with butter and a pot of tea.

If you have never baked bread before, this is the place to start. There is no kneading, no proving, no waiting for dough to double. From weighing out to a warm slice, you are looking at around forty-five minutes.

Ingredients and Equipment

The traditional formula was measured in volume rather than weight, but scales give you consistency. For one round loaf you will need:

• 450g plain flour, plus a little extra for dusting. Irish bakers favour a soft, low-protein flour, so avoid strong bread flour, which makes the crumb tough.
• 1 level teaspoon bicarbonate of soda — check the date, because stale soda will not lift the loaf.
• 1 teaspoon fine salt
• 350–400ml buttermilk, at room temperature

You will also want a large mixing bowl, a round cake tin or a baking tray lined with parchment, and a sharp knife. No buttermilk in the fridge? Stir a tablespoon of lemon juice or white vinegar into 400ml of whole milk and leave it for ten minutes until it looks slightly thickened. It is not identical, but it will activate the soda perfectly well.

Mixing and Shaping

Heat the oven to 200°C (180°C fan, gas mark 6) before you begin — the loaf goes into a fully hot oven.

Sift the flour, bicarbonate of soda and salt into a large bowl. This distributes the soda evenly, and uneven soda means bitter pockets in the finished bread.

Make a well in the centre and pour in most of the buttermilk. Bring it together with your hand or a wooden spoon, working quickly and lightly. Add the remaining buttermilk a splash at a time if the dough feels dry. You are looking for a soft, slightly sticky dough that just holds its shape — resist the urge to add extra flour, as a wetter dough gives a more tender crumb.

Turn the dough onto a lightly floured surface and shape it gently into a round, tucking the edges underneath. Handle it as little as possible; overworking develops gluten, and a tough soda bread is a disappointing thing.

Place the round on your tray. Cut a cross into the top, about 2cm deep, running from edge to edge. This is more than decoration: it lets heat penetrate the centre and helps the loaf open as it rises. Traditionally the cross was said to let the devil out, though the practical explanation is just as good.

Baking and Cooling

Bake for 30 to 35 minutes, until the loaf is a deep golden brown and sounds hollow when you tap the base. If the top is colouring too quickly, lay a sheet of parchment loosely over it after twenty minutes.

Lift the bread onto a wire rack and — this is the hard part — let it cool for at least twenty minutes before cutting. A hot soda bread is still setting inside, and slicing too early gives you a gummy centre. Wait, and you will be rewarded with a clean slice.

Regional Twists and Variations

Once you have the basic loaf, the tradition opens up.

• Brown soda bread: replace half or all of the plain flour with coarse wholemeal, and add a little extra buttermilk, as wholemeal absorbs more liquid.
• Spotted dog: fold in 100g of sultanas or raisins before shaping — a favourite at tea time.
• Seeded loaf: stir in a handful of sunflower, pumpkin or linseeds for crunch.
• Oat topping: brush the top with buttermilk and scatter with porridge oats before baking.

In the west of Ireland you will find versions baked in a heavy pot over an open fire, while in Northern Ireland the farl — a flat, quartered soda bread cooked on a griddle — is a staple of the Ulster fry. Both are worth trying once you are confident with the oven version.

Eating, Storing and Reviving

Soda bread is at its best on the day it is made. Serve it warm with salted butter and marmalade, or alongside a full cooked breakfast. It is also excellent with smoked salmon, a bowl of soup, or simply toasted under the grill the next morning.

Keep it wrapped in a clean tea towel at room temperature, never in the fridge, where it will stale quickly and take on other flavours. It will keep for two days. After that, slice and toast it, or freeze the whole loaf for up to a month and warm it through in a low oven.

Best of all, the whole process takes less time than a trip to the shops. Once you have made it a few times, you will stop measuring the buttermilk and start judging by feel — which is exactly how it has been done in Irish kitchens for the better part of two centuries.