INGREDIENTS
For the cake:
2 1/2 cups
biscuit mix (like Bisquick)
1/2 cup
sugar
1 cup
blueberries
1/2 cup
sour cream
2
eggs
3 tbsp
milk
1/2 tsp
vanilla extract
Crumb Topping:
1/2 cup
sugar
1/3 cup
flour
4 tbsp
butter (cut into small cubes)
powdered sugar (for serving)