Preheat oven to 325 F. In a small mixing bowl, mix the cold butter with the coconut flour, swerve and cinnamon. (I found squishing the butter between my fingers worked best) Once your dough is a nice cookie dough consistency, add in the pecans. Mix until the nuts are mixed though, then set aside until later.
In a blender, mix the eggs and sour cream until very well blended. Add the almond flour, 2/ 3 of a cup of the coconut flour, sweetener, vanilla and baking powder to the blender. Blend until fully combined. Add the extra 2 tbsp of coconut flour,( if needed) Blend until combined. The batter should be thick.
Grease the bottom and sides of a springform pan with butter, then pour the cake batter into the pan. Use a spoon to spread the batter evenly in the pan. Pour the blueberries evenly on top of the cake batter, then gently press them down into the batter. Crumble the pecan cookie dough mixture on top of the blueberries. Then bake for 22 – 24 minutes or until a tooth pic comes out of the centre clean.
Use a mixer to mix the cream cheese, heavy cream and sweetener. Mix until smooth, then drizzle over the slightly cooled coffee cake.
This recipe for Keto Blueberry Pecan Coffee Cake makes 12 servings.