Blueberries Cake

With so many good reviews on this banana cake from Baking Mum, I decided to give it a try. But instead of banana, I used blueberries since I have so much in d freezer.
As usually, even under watchful eyes, d top of d cake still got burned. ;-( But after slicing off d burned top, d inside looks ok & taste moist/soft. MIL said a bit crumpy but overall, good.

Ingredients
(1)
90g soften unsalted butter
65g brown sugar

(2) 1 Egg

(3)
25g whipping cream
½ tsp vanilla essence

(4)
125g Cake flour
½ tsp baking powder
½ tsp Bicarbonate of Soda
110g thawed blueberries

Method:

1. Cream (1) till light & creamy.
2. Pour in egg slowly & beat till creamy.
3. Add in (3) & mix well.
4. Fold in (4) till well combined. Do Not overmix.
5. Pour into an 6" round tray & bake @ 150C for abt 45mins or till cooked.