Gather your essentials
Cream together the shortening and butter
Add peanut butter.
Followed by vanilla extract and mix well.
Start adding in the confectioner's sugar
Slowly and gradually to incorporate everything together.
You may add a splash of milk to soften the consistency.
And it's done! Texture should be smooth and spreadable.
I used it to fill a layer of a birthday cake
Chocolate cake and peanut butter frosting. Yum