- 1 1/2 cups self-rising flour
 - 1 1/2 cups white sugar
 - 1 cup milk
 - 2/3 cup vegetable oil
 - 3 eggs
 - 2 tablespoons creamy peanut butter
 - 1 tablespoon vanilla extract
 - 1 cup crunchy peanut butter
 - 1 (16 ounce) package confectioners' sugar
 - 1 teaspoon vanilla extract
 - 2 tablespoons milk
 
- Preheat oven to 350 degrees F (175 degrees C). Grease and flour an 8 inch square pan.
 - In a large bowl, mix together the flour and sugar. Make a well in the center and pour in the milk, oil, eggs, 2 tablespoons peanut butter and vanilla. Mix well and pour into prepared pan.
 - Bake in the preheated oven for 30 to 35 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
 - To make the frosting: In a large bowl, combine 1 cup peanut butter and confectioners' sugar. Beat in vanilla, then milk to desired consistency. Spread on cake.