Blueberry Moist Cake

Steps:
1-Mix on medium-low speed until combined, then add the sugar and increase the speed to high
2-While mixing, progressively add th oil
3-Add the sour cream and mix on medium low, then add the vanilla extract
4-Then add the potato starch, flour and baking powder, and mix, gradually increasing the speed to medium until well combined
5-While mixing, add the melted butter and blueberries, and mix until all ingredients are well combined
6-Transfer the Batter into greased pans and bake at 340 F°/170° C for 35 minutes (Baking temperature may vary depending on the oven)
Enjoy!