I have no idea where I got this recipe from, but it was about thirty years ago and has been a family favorite since.

I have no idea where I got this recipe from, but it was about thirty years ago and has been a family favorite since.
Blueberry Sour Cream Coffee Cake 😋
Ingredients:
½ cup butter
¾ cup granulated sugar
¼ cup brown sugar
1 teaspoon vanilla
2 eggs
1 cup sour cream
3 cups flour
1 teaspoon baking soda
1 teaspoon baking powder
1 ½ cups fresh blueberries, divided
Streusel filling
5 tablespoons salted butter, melted
¾ cup brown sugar
1 ½ teaspoons cinnamon
Instructions
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