‘Crowd pleaser’: Just 5 ingredients. I’ve made this so many times it’s second nature.

Let the cake cool to room temperature, then cover and refrigerate for at least 3 hours, or until the gelatin is fully set and the cake is thoroughly chilled. This resting time allows the flavors to meld and the texture to become very tender.
Once chilled, spread the thawed whipped topping evenly over the top of the cake, creating a smooth, fluffy layer. Scatter the sliced fresh strawberries over the whipped topping for color and extra berry flavor.
Refrigerate the cake for another 30 minutes before serving to let the topping firm up slightly. Slice into squares and garnish with additional fresh strawberries if desired. Store leftovers covered in the refrigerator for up to 3 days.
Variations & Tips
Because this recipe is built on a classic American poke cake framework, it’s very forgiving and easy to customize. For a deeper chocolate presence, sprinkle 1/2 cup mini chocolate chips over the whipped topping along with the strawberries, or drizzle the finished cake with a thin ribbon of chocolate syrup. If you prefer a more pronounced strawberry flavor, swap the chocolate cake mix for a strawberry or vanilla cake mix, which will give you a lighter base with a strong berry profile. You can also fold finely chopped fresh strawberries directly into the whipped topping for a speckled, strawberries-and-cream effect. For a slightly less sweet version, use an unsweetened stabilized whipped cream instead of frozen whipped topping; just be sure it’s firm enough to hold up in the fridge. If you’re cooking for a crowd with varied tastes, set up a small topping bar—bowls of extra sliced strawberries, chopped nuts, and shaved chocolate—so guests can finish their own slices. Finally, for make-ahead convenience, you can bake and soak the cake with gelatin a day in advance; just add the whipped topping and fresh berries within a few hours of serving to keep the texture and color vibrant.