How to make it:

Preheat oven to 350 degrees F. Butter and flour baking dish.Beat together butter and sugar until fluffy.Beat in vanilla. Add eggs one at a time,blending well after each addition.Combine flour with baking soda and salt.Add to batter alternately with buttermilk, beginning and ending with flour.Pour batter into prepared baking dish.Bake for about 1 ½ hours or until a pick inserted comes out clean.

Source: cookpad.com