Whisk granulated sugar (1/2 cup), brown sugar (1/2 cup) with butter (1/4 cup) until well blended
Add mashed banana (1 cup), yogurt (1/3 cup), vanilla extract (1 tsp), eggs (2). Whisk till moist
Mix self raising flour (2 cups), Baking soda (3/4 tsp), salt (1/2 tsp). Add this dry mixture to wet mixture
Coat Blueberries (1 cup) with some flour and add to the above mixture
Pour mixture in baking tin and top with more Blueberries (1/2 cup)
Bake at 180 degrees for 60 mins