These were/are my husband's and my favorite cakes growing up. When I saw this recipe years ago it became a regular treat.
1 teaspoon vanilla extract
1 cup granulated sugar
2 teaspoons oil
2 cups flour
2 teaspoons baking powder
1/4 teaspoon salt
1 cup milk
Peanut butter, smooth
12 ounces semisweet chocolate pieces
1 tablespoon oil
Beat first 4 ingredients. Add next 4 ingredients. Pour into a greased and floured sheet pan. Bake at 350 degrees F for 25 minutes.
Take out hot cake and immediately spread with peanut butter. Refrigerate until hard.
Melt chocolate with 1 tablespoon oil and spread over peanut butter and chill till hard. Cut into squares.