• 125g unsalted butter
• 125g self-raising flour
• 125g caster sugar
• 3 eggs
• grated zest of one lemon
• 2 tsp baking powder
• 2 tbsp milk

Mix together ingredients, pour in baking form, gently press quartered, peeled apples into the top. Bake at 160 degrees for 35 - 40 minutes.