Caramel Poke Sheet Cake is a moist yellow sheet cake that gets soaked with a caramel and sweetened condensed milk mixture, then finished with whipped topping and crunchy toffee.
I like this one because the cake stays soft and creamy for days in the fridge, and the salt in the soak keeps the sweetness in check in a simple, grown-up way. The toffee on top is what makes it feel finished, not fussy.
This is one of my favorite desserts for potlucks and holiday tables because it travels well and slices nicely once it’s cold. I usually serve it straight from the fridge with a little extra flaky salt on top.

Why You’ll Love This Recipe
Make-ahead friendly: This cake actually gets better after a good chill, so it’s easy to prep earlier in the day (or the night before) and forget about.
That caramel soak: The sweetened condensed milk + caramel combo gives you that rich, pudding-like texture inside the cake without any extra work.
Easy sheet cake: A simple 9×13 pan is all you need, and it’s the kind of dessert that’s easy to portion for a group.
Toffee crunch: The toffee bits add just enough texture so the topping isn’t one-note and soft.
Salt makes it better: A little kosher salt in the soak (and optional flaky salt on top) keeps the whole thing from tasting flat.
Ingredients You’ll Need
Cake
- Yellow cake mix: I use a classic box mix here because it’s reliable and stays tender after the soak. Any standard 15-ish ounce yellow mix works.
- Eggs: These give the cake structure so it holds up once you poke and soak it.
- Water: Plain water is fine; it keeps the flavor neutral so the caramel can be the star.
- Vegetable oil: Oil keeps the crumb soft, especially after chilling. Canola works too.
- Nonstick cooking spray: Don’t skip this—this cake is sticky once the soak goes in, and you’ll want clean slices.
Caramel soak
- Sweetened condensed milk: This is what makes the cake feel creamy and rich all the way through. Make sure it’s sweetened condensed milk, not evaporated milk.
- Caramel sundae topping: The jar kind is easy and pours right in. If you like a deeper caramel flavor, dulce de leche is a great swap.
- Kosher salt: A small amount makes the caramel taste more like caramel and less like straight sugar.
Topping
- Whipped topping: I like using a tub here because it spreads quickly and holds up well in the fridge. If you prefer homemade, stabilized whipped cream works great.
- Toffee bits (or chopped Heath bars): Use what you can find. Heath bars give you slightly bigger pieces and a little chocolate here and there.
- Chopped pecans (optional): I like the extra crunch, but they’re totally optional if you’re keeping it simple.
- Flaky sea salt (optional): Just a light pinch on top is nice, especially if your caramel topping is very sweet.

Recipe Instructions
- Preheat the oven: Heat the oven to 350°F. Spray a 9×13-inch pan well with nonstick cooking spray.
- Mix the batter: In a large bowl, mix the yellow cake mix, eggs, water, and vegetable oil until smooth and well combined.
- Bake: Pour the batter into the prepared pan. Bake for 30 to 35 minutes, until a toothpick inserted in the center comes out clean.
- Cool: Let the cake cool in the pan for about 10 minutes.
- Poke the cake: Use the handle of a wooden spoon to poke holes all over the warm cake. Space them out so the soak can spread through the whole pan.
- Mix the soak: Whisk the sweetened condensed milk, caramel sundae topping, and kosher salt together until combined.
- Pour the soak: Slowly pour the caramel mixture over the cake, letting it sink into the holes. Pause as needed so it doesn’t pool too much in one spot.
- Chill: Cool the cake to room temperature, then refrigerate for 2 hours or until fully chilled.
- Top: Spread the whipped topping evenly over the chilled cake.
- Finish: Sprinkle with toffee bits and chopped pecans (if using). Add a light pinch of flaky sea salt on top if you want.
- Serve: Slice and serve cold.

Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Poke deeper holes than you think. If the holes are too shallow, the caramel soak sits on top and doesn’t get down into the cake as well.
Pour the soak slowly. I like to move around the pan and pour in a thin stream, then pause for a few seconds when it starts to pool.
Chill longer for cleaner slices. Two hours is the minimum, but an overnight chill makes it much easier to cut neat squares.
Use dulce de leche if you want a deeper caramel. It tastes a little more cooked and less “syrupy” than some jarred caramel toppings.
Add vanilla if you like. A little vanilla in the soak is subtle, but it makes the caramel taste more rounded.
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Milk: A cold glass of milk is classic with this kind of cake. It’s especially good if you add flaky salt on top.
- Coffee: Serve this with hot coffee or a latte. The bitterness is nice with the caramel and toffee.
- Fruit: Fresh strawberries or raspberries on the side help break up the richness. I usually just pile a few on the plate.
- Extra toffee: Keep a small bowl of toffee bits on the table for sprinkling. The crunch fades a little after a day in the fridge, so it’s nice to add more.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store leftovers covered in the refrigerator up to 4 days. This cake is meant to be served cold, so you can slice straight from the fridge.
If you want to make this recipe ahead, I usually bake and soak the cake the day before, then add the whipped topping and toffee closer to serving. It keeps the topping looking a little neater.
If you want them to last longer, you can freeze individual portions (I wrap them well so they don’t pick up freezer smell). Thaw in the fridge overnight before serving.

A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I use homemade whipped cream instead of whipped topping?
Yes. I’d use stabilized whipped cream so it holds up on the cake and doesn’t get weepy after a day in the fridge. If you’re serving it the same day, regular whipped cream is fine too.
Do I have to chill the cake before topping it?
I really recommend it. If the cake is still warm, the whipped topping will melt and slide around, and the slices won’t hold their shape as well.
Can I use dulce de leche instead of caramel sundae topping?
Definitely. Dulce de leche gives a deeper caramel flavor. If it’s very thick, whisk it well with the sweetened condensed milk so it pours evenly.
Why did my soak pool on top?
Usually it’s because the holes weren’t deep enough or the soak was poured too quickly in one spot. Poke with the handle of a wooden spoon and pour in a thin stream, moving around the pan.
Can I add other toppings besides toffee?
Sure. Mini chocolate chips, chopped pretzels, or a drizzle of extra caramel are all good here. I’d keep the topping fairly simple so it still slices cleanly.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.

Caramel Poke Sheet Cake
INGREDIENTS
Cake
- 1 box yellow cake mix 15.25 oz
- 3 large eggs
- 1 cup water
- 1/2 cup vegetable oil
- nonstick cooking spray.
Caramel soak
- 1 can sweetened condensed milk 14 oz
- 1 jar caramel sundae topping 12 oz
- 1/2 tsp kosher salt.
Topping
- 1 tub whipped topping 8 oz thawed
- 1 cup toffee bits or chopped Heath bars
- 2 tbsp chopped pecans optional
- flaky sea salt to taste optional.
INSTRUCTIONS
Bake cake
- Preheat oven to 350 F
- Spray a 9x13 inch pan with nonstick spray
- Mix cake mix eggs water and oil until smooth
- Pour batter into pan and bake until a toothpick comes out clean 30 to 35 minutes
- Cool cake 10 minutes.
Poke and soak
- Poke holes all over warm cake using the handle of a wooden spoon
- Whisk sweetened condensed milk caramel topping and kosher salt until combined
- Slowly pour mixture over cake letting it sink into holes
- Cool to room temperature then refrigerate 2 hours or until fully chilled.
Finish and serve
- Spread whipped topping evenly over chilled cake
- Sprinkle with toffee bits and pecans if using
- Add a light pinch of flaky sea salt if desired
- Slice and serve cold.
