Featuring a peanut butter fudge center and a generous amount of homemade chocolate fudge frosting, lunch lady peanut butter bars are a classic childhood favorite! You're going to love them!
Preheat oven to 350 degrees Fahrenheit and grease an 18x13 baking sheet with non-stick spray.
Crust
In a large bowl or upright stand mixer, cream together butter, sugar, and brown sugar.
Add peanut butter, eggs, and vanilla. Mix to combine.
Add oats, flour, baking soda, and salt, and mix until well combined.
Add the dough to the greased baking sheet and bake for 14-16 minutes.
Peanut Butter Fudge Layer
In a bowl combine powdered sugar, and melted butter. Mix until smooth.
Add in peanut butter and mix until smooth.
Once crust is cooked and while still warm, drop spoonfuls of the peanut butter fudge across the warm crust. Let melt a bit then spread across the crust. Let cool completely.
Chocolate Frosting
Mix all ingredients together with a hand mixer or upright stand mixer until combined, smooth, and a bit fluffy, about 3-4 minutes.
Spread frosting onto cooled peanut butter fudge layer. Slice into bars and enjoy!