I have worked with butter doughs on many occasions, so imagine my surprise when my dough did not stick together! I used the amounts shown, and thought the sour cream might have enough moisture to pull all the dry ingredients together as a dough, but it did not. I ended up sprinkling about one tablespoon of water over the dry ingredients, and then gave it a knead. That worked! Also, I am a huge fan of cinnamon with blueberries, so I added about 3/4 teaspoon to my blueberry filling. I will definitely make this recipe again!

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