Set rack at the middle level and preheat oven to 315°F.
Grease the inner bottom surface of your CAKEWICH cake pan.
Combine all cake ingredients in mixing bowl & whisk together until smooth.
Pour into Cakewich pan & bake for 60-70 minutes, until a toothpick inserted in the center emerges clean.
Place in freezer for 20 minutes until cake is completely cooled.
Remove from freezer & slice off top of cake.
With the serrated bread knife, slice through the center horizontally.
Spread the peanut butter & jelly onto on layer of cake. Place the second layer on top of covered cake.
Enjoy!