01 -
Preheat oven to 350°F. Using a mixer, cream together softened butter and 2 cups sugar until light and fluffy, about 5-7 minutes. Add eggs one at a time, beating thoroughly after each addition. Mix in vanilla extract.
02 -
In a separate bowl, whisk together flour, baking soda, and salt to evenly distribute leavening and seasoning.
03 -
Alternately add the dry mixture and sour cream to the butter mixture, mixing gently until smooth. Avoid overmixing to prevent toughness.
04 -
Grease a 10-inch tube pan. Spoon one-third of the batter evenly into the pan. In a small bowl, combine cinnamon, walnuts, and remaining 3/4 cup sugar. Sprinkle one-third of this mixture over the batter. Repeat layering two more times, finishing with the topping.
05 -
Bake in the preheated oven for 60-65 minutes, or until a toothpick inserted in the center comes out clean.
06 -
Allow cake to cool in pan for 15 minutes at room temperature. Remove from pan and finish cooling on a wire rack before slicing.