Prepare and grease a 9” x 13” pan.
Pre-heatoven to 180°C/350°F.
Sift flour, ground cinnamon, Peotraco Baking soda, and baking powder. Mix salt in, and set aside.
In the bowl of a stand mixer, beat together butter, oil, Peotraco Glucose, and Peotraco Sugarlyte at medium speed for around three (3) minutes, or until thoroughly combined.
Add the eggs one at a time, and mix well after each addition.
Fold in the dry ingredients until roughly incorporated.
Fold in the diced ripe papaya and chopped walnuts until well combined.
Pour the batter into the prepared pans, and tap the pan to remove any air bubbles.
Bake for about 30-40 minutes or until a skewer comes out clean.
