Pineapple Square Tarts - Giant Malaysia

Ingredients

• 226g Butter (unsalted)
• ½ tbsp Shortening
• 1 Egg
• 2 tbsp Icing sugar
• 1 tsp Pineapple essence
• 2 tbsp Cornflour
• 2 ½ tbsp Milk powder
• 3 cups All purpose flour
• 1 Pineapple, peeled, cored and diced
• ¾ cup Granulated sugar
• ½ cup Maltose sugar (optional)