7 eggs, separated
1 3/4 c. sugar
3/4 c. water
1/2 c. oil
3 tsp. baking powder
2 1/2 c. flour

Beat egg whites until stiff. Add 1 cup sugar. Gradually add remaining ingredients; mix until well combined. Pour half of batter into a greased tube pan. Mix together:

1 tbsp. cinnamon
2 tbsp. sugar
1 c. walnuts

Sprinkle over batter and pour remaining half off batter into tube pan. Bake at 400 degrees for 10 minutes. Reduce heat to 350 degrees and continue baking for another 50 minutes longer.