1/3 c. poppy seed
1 c. buttermilk
2 1/2 c. sifted flour
2 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt
1 c. butter
1 1/2 c. sugar
4 eggs
1/2 tsp. vanilla
Grated orange rind
2 tbsp. sugar
1 tsp. cinnamon

Grease and flour 10-inch bundt pan. Stir poppy seed and buttermilk, refrigerate overnight. Sift flour, baking powder, soda and salt. Cream butter and sugar. Beat in eggs. Beat in vanilla and orange rind. Stir in flour mixture in 4 additions, alternating with poppy seed mixture until smooth each time. Turn half of mixture into pan. Sprinkle with cinnamon sugar, add remaining batter. Bake at 350 degrees for 1 hour.