In a pan add the diced apples, sugar and cinnamon. Stir to combine then put back on the heat and cook over low-medium heat for a few minutes. The apples should slightly soften up
Preheat oven to 350F/180C, when the oven is heated place pudding into the oven and bake for 30 minutes, or until the top is golden brown, the internal temperature should be a minim