"A sweet cake to present to family or friends, who come over for a visit." — Jay Christian, author of Hollywood Celebrity Recipes.
Preheat oven to 350 degrees.
Cream butter and sugar until fluffy. Combine beaten egg, banana, milk and vanilla. Add sifted dry ingredients alternately to creamed mixture — stirring lightly after each ingredient.
Pour into a buttered nine by nine pan. Bake for 35 to 45 minutes. Cool.
Cream butter, peanut butter and salt. Add sugar alternately with juices, then add vanilla. Beat until smooth and creamy. Ice cake.