Spray a pan with baking spray. Preheat oven to 350 degrees.
Melt chocolate chips. (Microwave at 30 second intervals until melted, stir). Set aside.
Using an electric mixer. beat butter and brown sugar at medium speed for 5 minutes.
Beat in eggs one at a time
Beat in melted chocolate just until combined
Whisk together flour, baking soda. and salt
Add flour, alternating with sour cream, beginning and ending with flour mixture
Beat in vanilla extract
With mixer on low speed, gradually add in hot water (it will look watery)
Divide cake batter evenly into 3 cake pans
Bake for 20-25 minutes or until cake is firm when gently pressed on top. Let cool for 10 mins then remove from pans to cool completely.
To make frosting: Beat butter and peanut butter until smooth and creamy
Beat in half the powdered sugar and half the milk
Beat in remaining powdered sugar. remaining milk, instant pudding mix
Place one cake layer on a cake stand or serving platter. Spread frosting on top, layer another cake, frost, layer last cake and frost. I reserved 3/4 cup of frosting to decorate.
Decorate with Reeses candy!
