Blueberry Kuchen

Directions

1. 1
   Combine flour, baking powder, salt and 2 tablespoons sugar. Cut in 1/2 cup butter with a pastry blender until mixture resembles cornmeal.
2. 2
   Press into bottom and sides of a 13 x 9-inch pan.
3. 3
   Cover with blueberries.
4. 4
   Combine 1 cup sugar with cinnamon and sprinkle mixture over fruit.
5. 5
   Dot with butter, if desired. Bake at 400° for 15 minutes.
6. 6
   Remove from oven.
7. 7
   Combine sour cream and egg yolks.
8. 8
   Spread over fruit.
9. 9
   Set oven to 350° and return to oven for 35 to 40 minutes.