Mix together 1 cup sugar and butter.
Add eggs and 1 tablespoon of lemon juice; mix well.
Add salt, flour, and baking powder to mixture.
Bake at 325°F in a well greased loaf pan for 1 hour,or until golden brown.
Mix 1/3 cup lemon juice and 1/4 cup sugar.
Use a toothpick to make holes in top of cake and drizzle lemon juice and sugar mixture over the top of the cake when removed from the oven.
Serve warm or cool.