1. Preheat the oven to 360°F, grease and line a 8in cake tin with a removable base. With an electric hand mixer, beat the butter and sugar in a large bowl until pale. Add the eggs, one at a time, mixing until they are incorporated.
2. Fold through the flour, baking powder, salt, and cinnamon until you have a thick cake batter. Stir through the apple and pour the batter into the cake tin. The batter will be thick, so use a spatula to spread across the base of the tin.
3. Using a handblender with a food processor attachment, blitz the ingredients for the crumble topping until you get left with rough crumbs. You can also do this by hand in a bowl using your fingertips to combine the ingredients together. Sprinkle the crumble topping on top of the batter.
4. Bake in the oven for 40-45 minutes or until a skewer inserted into the centre comes out clean.
5. Remove from the oven and leave to cool.

Give this great classic Irish recipe a try!
Happy St. Patrick’s Day
Irishcentral.com