1/2 c. soft butter
3 eggs
1 tsp. baking powder
1/2 tsp. salt
1 tsp. vanilla
2 c. blueberries
1 c. sugar
2 c. flour
1 tsp. baking soda
1 c. dairy sour cream
1 tsp. cardamom (opt.)
1/2 c. brown sugar

Cream butter and sugar; add eggs; beat well. Sift dry ingredients and add, alternating with cream, and ending with flour. Add vanilla and cardamom. Fold in 1 cup blueberries. Pour half batter into greased and sugared 9"x13" pan. Cover with remaining blueberries. Sprinkle with brown sugar. Top with batter. bake at 325 degrees for 45 to 50 minutes, until it tests done. Serve with whipped cream.