GTT Banana Brownie

Today at GTT we made something with banana. It wasnt a cake and it wasnt bread either. It contained  125g Tararua Butter
1/2 cup Chelsea Soft Brown Sugar
1/2 cup Chelsea Caster Sugar
2 eggs
2 cup Edmonds Standard Grade Flour
1 tsp Edmonds Baking Powder
1 tsp ground cinnamon
1 tsp Edmonds Baking Soda
1 cup Meadow Fresh Original Milk
2 bananas (ripe), mashed
1/4 cup walnuts, chopped

This isnt the recipe we used tho.