FILLING:

1/2 c. finely chopped walnuts
1/2 c. firmly packed brown sugar
2 tbsp. flour
2 tsp. cinnamon
2 tbsp. melted butter

BATTER:

1 1/2 c. all-purpose flour
3/4 c. sugar
3 tsp. baking powder
1/2 tsp. salt
1/4 tsp. ground nutmeg
1/2 c. firm butter
1/4 tsp. butter flavoring
1 c. fresh blueberries
1/2 tsp. blueberry flavoring
1 egg
1/2 c. milk
1 tsp. vanilla flavoring

Combine filling ingredients. Evenly spread about half of the filling mixture in bottom of well-greased and floured 9" tube pan. Set the remaining filling aside. Preheat oven to 350 degrees. Prepare batter: Combine flour, sugar, baking powder, salt and nutmeg. With a pastry blender, cut in the butter and the butter flavoring until like coarse crumbs. Gently stir in the blueberries and blueberry flavoring. Lightly beat the egg with the milk and vanilla flavoring. Stir into batter until just combined.

Spread half the batter in prepared pan. Sprinkle on the rest of the topping and top with remaining batter. Bake for 45 to 60 minutes or until it tests done. Cool, then remove cake from pan. Top may be sprinkled with powdered sugar.