Filling:

4 tbsp. butter
1 c. brown sugar
1 1/2 tbsp. cinnamon
2 1/2 tbsp. flour
1 c. chopped nuts

Using a greased and floured spring form pan, put 1/2 of the batter in the bottom of the pan. Top with 1/2 of the filling mixture. Repeat again until all ingredients are used.

Bake at 350°F for 45 minutes. Cool and remove from pan. Invert to display on cake plate.