Apple Crumble Bars

INGREDIENTS

Apple filling:
4 apples, peeled, cored and cut into small pieces 
2 tbsp butter 
Pinch of salt
½ cup sugar
Squeeze of lemon 
2 tsp Supreme Cinnamon Powder
1 tbsp cornflour 
1 tbsp water 
Crumble: 
200g sugar 
300g plain flour 
225g room temperature salted butter 
1 tsp of baking powder 
50g oats 
Pinch of salt

METHOD

Heat a pot over medium heat. Add apple, butter, salt, sugar, cinnamon powder and squeeze of lemon. Stir well and cook until the sugar dissolves and apples start to soften. Mix together water and cornflour and add to the mix. Stir continuously until the mixture thickens. Remove from heat and set aside to cool.
Method for crumble: 
Preheat the oven to 180°c and grease a 13 x 9 inch baking tray. In a bowl combine sugar, flour, butter, baking powder and salt. Use your fingertips to make a light crumbly mixture. Pat ¾ of the dough into the prepared tray. Add the apple filling and spread evenly. Then crumble remaining dough over the apple filling. Bake at 180°C for 45 minutes or until the top is golden brown. Remove from the oven and set aside to cool. Slice and serve. Optional: serve crumble bars with custard.