Grandma Shirley swore her 3-ingredient secret would be the highlight of every barbecue. I didn’t believe her until I saw the entire tray disappear before my eyes.

Step 4: Add the Second Layer

Place the remaining ice cream sandwiches over the whipped topping layer, arranging them in a single, even layer. Press down gently to level the dessert and remove any large air pockets.

Step 5: Finish the Top Layer

Spread the remaining whipped topping evenly over the second layer of sandwiches. Drizzle the remaining 1/2 cup continue reading …