Directions

1. Preheat oven to 350F (175C).
2. Grease and flour three 9-inch round cake pans.
3. In a bowl, whisk flour, baking soda, and salt.
4. In a large bowl, cream butter and sugar until light.
5. Add eggs one at a time, mixing well after each.
6. Alternately add flour mixture and buttermilk to butter mixture; mix until smooth.
7. Divide batter evenly among pans and bake 25-30 minutes.
8. Let layers cool completely.
9. For filling, combine evaporated milk, sugar, and egg yolks in a saucepan; cook over low heat stirring until thickened; cool.