01 -
Bake the fudge brownie mix according to package directions in a 9x13 pan. Cool completely before cutting into 1 inch pieces.
02 -
Whisk together the instant vanilla pudding, whole milk, and vanilla extract for 2 minutes until thickened.
03 -
Whisk the creamy peanut butter into the pudding mixture until smooth and thick.
04 -
Gently fold 1 ½ cups of thawed whipped topping into the peanut butter pudding mixture until fully combined and no white streaks remain.
05 -
Add half the brownie pieces to the bottom of a 3-quart trifle dish, followed by ⅓ of the halved Mini Reese’s cups. Spread half the peanut butter pudding mixture over this, followed by 2 ½ cups of whipped topping.
06 -
Repeat the layering process with the remaining brownies, another ⅓ of the halved Mini Reese’s cups, the rest of the peanut butter pudding mixture, and another layer of whipped topping.
07 -
Top with the remaining ⅓ of the halved Mini Reese’s cups, piling them into the center of the whipped topping.
08 -
Refrigerate for 3-4 hours or until fully chilled and the layers are firm for easy serving.