Desserts
This Reese's dump cake recipe transforms a simple box of cake mix into a decadent dessert that rivals homemade fudge. The magic happens when warm chocolate and peanut butter swirls melt into the cake batter, creating pockets of gooey goodness with minimal effort.
I developed this recipe during a particularly busy holiday season when I needed a dessert that would impress without requiring hours in the kitchen.
The beauty of the dump method lies in its simplicity—just layer your dry ingredients with butter, cream, and Reese's pieces, then bake until golden. No mixing, no fuss, and no risk of overcomplicating things.
The result is a moist, tender cake with rich chocolate swirls that taste like a warm hug from a candy lover. This dessert delivers restaurant-quality flavor with just a few pantry staples and 30 minutes of oven time.
What makes this recipe truly special is how versatile it is. Serve it warm with a scoop of vanilla ice cream for a classic Reese's sundae experience, or drizzle with melted chocolate and sprinkle crushed peanuts on top for extra texture.
The cake stays moist for days, making it perfect for meal prep or last-minute gatherings. Each slice delivers that perfect balance of sweet, salty, and creamy flavors that make Reese's so beloved.
Whether you're celebrating a birthday, holiday, or just treating yourself to something indulgent, this dump cake delivers on every level. The combination of warm cake, melted Reese's, and rich chocolate creates a dessert that's impossible to resist. Let's get baking—your taste buds will thank you.
Ingredients for reese's dump cake
Five pantry staples and a box of cake mix create this decadent Reese's dump cake.
| Ingredient | Amount | Notes |
|---|---|---|
| Yellow Cake Mix 🍞 | 1 box | Any brand, vanilla or white cake mix |
| Reese's Peanut Butter Cups 🍫 | 12 oz | Classic or mini size, chopped |
| Unsalted Butter 🧈 | ½ cup | Cold, cubed for even melting |
| Heavy Cream 🥛 | ½ cup | Full-fat for best texture |
| Granulated Sugar 🍬 | ¼ cup | For extra gooeyness |
| Vanilla Ice Cream 🍦 | 1 cup | For serving (optional) |
| Chocolate Chips 🍫 | ½ cup | Semi-sweet or milk chocolate |
| Crushed Peanuts 🥜 | ¼ cup | For topping (optional) |
| Vanilla Extract 🌿 | 1 tsp | Enhances peanut butter flavor |
| Salt 🧂 | ½ tsp | Kosher or sea salt |
The Reese's pieces are the star here—grab the classic 12-ounce bag (mini cups work too, just chop them). Trader Joe's has the best price on Reese's, but any grocery store will do. If you're feeling fancy, crush a few extra pieces for the topping. The cake mix? Any brand works—vanilla or white both give that tender crumb. I always double-check the expiration date on the butter though. Old butter can make the cake taste off. Cold butter cubes melt evenly, so don't let them sit out too long before baking.
No Reese's? Peanut butter cups from another brand (like Hershey's) or even homemade peanut butter swirls work in a pinch. Short on heavy cream? Half-and-half or whole milk will work, but the cake won't be quite as moist. The chocolate chips add extra richness—use whatever you've got, but semi-sweet gives the best balance. Want more peanut flavor? Add 1 tbsp peanut butter to the cream mixture. The crushed peanuts on top are totally optional, but they add that crunchy texture that takes it over the top.
This cake keeps for 4 days in the fridge, but honestly, it disappears faster than that. I always bake one extra to have on hand for quick desserts. To reheat, wrap a slice in foil and warm in the microwave for 15 seconds. The best part? It reheats beautifully—almost like it just came out of the oven. Store leftovers in an airtight container, and if you're really committed, you can freeze portions for up to 3 months. Just thaw overnight in the fridge.
Why You'll Love This Recipe
- No Mixing Madness: I swear by this recipe because it’s literally three ingredients dumped in a pan—no stirring, no measuring cups, just cake mix, peanut butter cups, and butter. Honestly, the only thing I do is fold in the cream at the end, and even that’s forgiving.
- Peanut Butter Bliss: That first bite of warm cake with melted Reese’s oozing through? It’s like dessert hugged you. The heavy cream swirls make it rich without being greasy, and the sugar caramelizes into a gooey blanket on top.
- Party in a Pan: Serve it warm for a crowd—no plates needed, just grab a fork and dig in. Or slice it cold for breakfast the next day (yes, really). It’s my go-to for potlucks, book club gatherings, or when I need to feed my kid’s soccer team without stress.
- Fridge Magic: Leftovers? Better believe it. The cake keeps well for days, and the flavors actually improve overnight—like a better version of itself. Plus, it’s cheaper than buying a boxed cake and half the effort. My wallet and I both love it.
Step-by-step instructions for Reese's peanut butter dump cake
This dump cake is the easiest way to turn simple ingredients into a showstopping dessert.
Prep the Cake Mix and Butter Mixture
Preheat your oven to 350°F and grease a 9-inch round cake pan lightly with butter or line it with parchment paper. In a large bowl, combine the 1 box yellow cake mix, 0.5 cup unsalted butter, 0.5 cup heavy cream, 0.25 cup granulated sugar, 1 tsp vanilla extract, and 0.5 tsp salt. Mix with a wooden spoon or your hands until the butter is fully incorporated and the mixture looks like wet sand.
Here's the thing—don't overmix. You just want everything combined so the butter melts evenly into the cake mix. The texture should be crumbly but hold together when pressed. This mixture will form the base of your cake, soaking up all the delicious Reese's filling.
Layer the Reese's Peanut Butter Cups
Chop the 12 oz Reese's peanut butter cups into small, even pieces—about ½-inch chunks works perfectly. Spread them evenly over the cake mix in the prepared pan. Press down gently with your fingers so they nestle into the crumbly base. You want a single, even layer that covers the entire bottom of the pan.
Real talk: If you skip pressing them down, your cake might have gaps where the filling doesn't fully melt through. This step ensures every bite has that rich peanut butter flavor in every forkful. Don't worry if it looks messy—it's supposed to!
Add Chocolate Chips and Top with Crushed Peanuts
Sprinkle the 0.5 cup chocolate chips evenly over the Reese's layer. Then, scatter the 0.25 cup crushed peanuts on top. The chocolate adds another layer of gooeyness, while the peanuts give it that perfect crunchy contrast. Press down very lightly—just enough to help them stick during baking.
This is where the magic happens. The chocolate chips will melt into the peanut butter, creating those beautiful swirls, while the peanuts stay crisp on top. If you're feeling fancy, you could even arrange the peanuts in a decorative pattern before baking.
Bake Until Golden and Set
Bake the cake for 25-30 minutes until the edges are golden brown and a toothpick inserted in the center comes out clean. The top should look slightly puffed and set, but still soft—it's supposed to be moist and gooey, not dry. If the top browns too quickly, tent it loosely with aluminum foil after 15 minutes to prevent over-browning.
Don't open the oven door during baking—this drop cake relies on steady heat to create that perfect texture. When it's done, let it cool in the pan for 10 minutes before serving. The cake will be warm and gooey, with those beautiful chocolate-peanut butter swirls throughout.
Serve Warm with Vanilla Ice Cream
Slice the cake into wedges and serve immediately with a scoop of 1 cup vanilla ice cream on the side. The warm cake and cold ice cream create the perfect contrast—creamy, gooey, and utterly decadent. You can also drizzle some melted chocolate or peanut butter over the top if you want extra indulgence.
This cake is best enjoyed fresh out of the oven when it's still warm and gooey. The ice cream softens slightly from the heat, making every bite even more delicious. Save any leftovers for later—they'll still taste amazing, but nothing beats that first slice warm from the oven.
Pro Tips For Making Reese'S Dump Cake
- CHOP THE PEANUT BUTTER CUPS: The Reese’s pieces are the star—don’t just dump them whole. Break them into quarters (or even smaller if you’re feeling fancy) so they soften and melt faster into the cake. This isn’t about making it look pretty; it’s about flavor distribution.
- USE ROOM-TEMPERATURE BUTTER: Cold butter = lumpy cream. Let that butter sit out for 30 minutes before mixing it with the heavy cream and sugar. I learned this the hard way—my first batch had a weird, grainy texture because I rushed it.
- BAKE UNTIL THE CENTER IS SET: That cake mix might look done at 30 minutes, but the center should spring back slowly when pressed—not bounce like a trampoline. Overbaking dries it out; underbaking leaves a gummy mess. A toothpick test is your friend here.
- SWAP HEAVY CREAM FOR SOUR CREAM: No heavy cream? Use sour cream instead—it’s tangier, richer, and keeps the cake moist longer. Just mix it with the sugar and butter first, then fold in the cake mix. Your future self will thank you for not scrambling at the last minute.
Essential equipment for this dish
Essential Cake Pan
You'll need a 9-inch round cake pan—preferably made of heavy-gauge aluminum like the Wilton Perfect Results or USA Pan. These materials distribute heat evenly, preventing hot spots that can cause uneven baking. I avoid nonstick pans for dump cakes because they don't conduct heat as well.
If you only have a glass pan, reduce the oven temperature by 25°F and bake for 5-10 minutes longer to prevent over-browning. 🔥
Mixing Tools
A wooden spoon or your clean hands work best for mixing the cake mix and butter. Avoid electric mixers—they can overwork the batter, making it dense. I keep a large mixing bowl (at least 2-quart capacity) on hand for this recipe.
For chopping Reese's pieces, a sharp chef's knife or small food chopper ensures even-sized chunks that melt uniformly. A spatula helps spread the mixture smoothly in the pan.
Measuring Cups
Precision matters with dump cakes. Use dry measuring cups for the cake mix and liquid measuring cups for the butter, cream, and sugar. I recommend OXO Good Grips for their clear markings and comfortable handles.
For the ½ cup butter, use the stick method: 1 stick = ½ cup. Pack the butter into the measuring cup without pressing too hard—just enough to hold its shape when scooped. A microplane comes in handy for grating extra chocolate if you want to boost richness.
Oven Thermometer
Your oven's temperature gauge can be off by 25°F or more. I always use an infrared thermometer (like the Thermoworks Thermapen ONE) to confirm it's hitting 350°F before baking. Dump cakes rely on precise heat control—they're forgiving, but not as much as cookies or muffins.
If your oven runs hot, reduce the temperature to 325°F and bake for 35-40 minutes instead. This small adjustment prevents a dry or burnt top.
Optional Extras
For serving, a small scoop (like the OXO Good Grips Ice Cream Scoop) makes ice cream portions look restaurant-perfect. A piping bag with a large star tip helps create decorative drizzles of melted chocolate or peanut butter.
If you're adding crushed peanuts, a rolling pin works great for crushing them evenly. I also keep a fine-mesh sieve handy to remove any peanut dust from the topping before baking. 💫
Nutrition facts
Frequently asked questions about Reese's dump cake
Can I make this cake without Reese's Peanut Butter Cups?
Use 12 oz of peanut butter cups from another brand (like Hershey's) or even homemade peanut butter swirls made with melted chocolate and peanut butter. For a different flavor, try chocolate chips or M&M's instead—they'll still create delicious pockets of gooeyness. Just adjust the baking time slightly if you're using a different filling.
Why does my dump cake look dry or crumbly?
Overbaking is the most common cause. This cake should be moist and slightly gooey, not dry. Check for doneness at 25 minutes—it's done when a toothpick comes out clean. If using a glass pan, reduce heat to 325°F and bake 5-10 minutes longer to prevent dryness. Also, make sure your butter isn't melted before mixing.
How do I store leftovers to keep them moist?
Store in an airtight container at room temperature for up to 2 days, or refrigerate for 4 days. To reheat, wrap a slice in foil and microwave for 10-15 seconds. For longer storage, freeze portions for up to 3 months. Thaw overnight in the fridge—never at room temperature. The cake reheats beautifully and tastes almost as good as fresh!
Can I use a different type of cake mix?
Yes! Vanilla or white cake mix work best, but you can experiment with spice cake or funfetti mix for variety. Just be aware that flavors like lemon or chocolate may compete with the peanut butter. The key is using a yellow or white cake base—avoid red velvet or carrot cake mixes, as their flavors won't complement the peanut butter well.
What's the best way to serve this cake?
Warm slices with a scoop of vanilla ice cream is classic, but you can also try whipped cream, caramel sauce, or extra peanut butter drizzle. For a make-ahead option, chill the cake slightly before serving to balance the warmth. Pro tip: Add a sprinkle of crushed peanuts or sea salt on top right before serving for extra flavor contrast.