Preheat your oven to 425°F with a Dutch oven inside—this creates steam during baking that gives Irish soda bread its characteristic crust. While the oven heats, measure out all ingredients: whisk together the flour, baking soda, baking powder, and salt in a large bowl, then set aside. Make sure to shake your buttermilk well before measuring, as the solids settle at the bottom and need to be incorporated for proper texture.

Add the currants to the dry ingredient mixture from Step 1 and stir to coat them evenly with flour. This prevents the currants from sinking to the bottom during baking and ensures they're distributed throughout the loaf. The flour coating also helps them stay moist and tender.

Pour the buttermilk into the dry mixture and mix gently with your hands or a wooden spoon just until a shaggy dough forms—don't overmix, as this develops gluten and makes the bread tough. I find that mixing by hand lets me feel when the dough comes together naturally without overworking it. Turn the dough onto a lightly floured surface and knead it gently for about one minute, just until it becomes cohesive into a round loaf roughly 6-7 inches in diameter.

Carefully remove the preheated Dutch oven from the oven and place the dough round inside. Using a sharp knife, cut a deep cross (about 1/4-inch deep) across the top of the loaf—this allows heat to penetrate to the center and helps the bread expand evenly. Brush the top lightly with a bit of buttermilk for extra browning, then cover the Dutch oven with its lid.

Bake the covered bread for 30 minutes—the lid traps steam that creates a tender crumb and soft crust. After 30 minutes, carefully remove the lid and continue baking for 15 minutes more, or until the loaf reaches an internal temperature of 180°F when measured with an instant-read thermometer in the center. The uncovered time allows the crust to brown and crisp. I always use a thermometer rather than relying on color alone, since the dark crust can mask whether the inside is fully baked.

Transfer the bread to a wire cooling rack and let it cool for at least 15-20 minutes before slicing—this allows the crumb to set properly. While it's still warm, brush the top of the loaf with the melted butter, which will soak in slightly and add richness. Serve warm or at room temperature with butter and jam.