
Chocolate Peanut Butter Cup Cheesecake Cake: Your New Birthday Obsession
Hey, my fellow dessert adventurers! Chef Emily here, apron dusted with cocoa powder and probably a smudge of peanut butter on my cheek because this is the cake that turns “just another birthday” into a full-blown celebration event. Picture this: velvety chocolate cake layers hugging a cloud of peanut butter cheesecake, all wrapped in swoon-worthy peanut butter frosting and dripping with espresso-kissed chocolate ganache. Then—because we believe in joyful excess—it’s crowned with a mountain of Reese’s cups. This isn’t just dessert; it’s a text-your-best-friend-immediately moment waiting to happen!
I know what you’re thinking: “Emily, that sounds epic… but complicated?” Honey, I’m with you. My kitchen philosophy is always “maximum flavor, minimum fuss.” That’s why we’re building this beauty step-by-step together. We’ll use simple techniques (like baking the cheesecake a day ahead!) so you’re not juggling six bowls while the party starts. Whether it’s your kid’s milestone birthday or you’re celebrating Tuesday (valid!), this cake delivers that jaw-drop moment. Ready to bake some magic? Grab your favorite mixing bowl—let’s create memories (and maybe a little mess) together!
How a Grandma’s Tradition Became My Signature Cake
This cake? It’s pure nostalgia with extra sprinkles. Growing up, birthdays meant Grandma’s kitchen smelling like melting chocolate and giggles. Her rule? “Birthday cakes should taste like your favorite candy bar.” She’d let me unwrap Reese’s cups while she baked, sneaking me the broken pieces “for quality control.” Fast-forward to culinary school: I aced soufflés but craved that childhood joy. One year, my nephew begged for “a cake with cheesecake AND Reese’s,” and BOOM—this Frankenstein beauty was born! The first time I served it, my sister took one bite, closed her eyes, and whispered, “Tastes like Grandma’s kitchen.” Cue the happy tears (and requests for seconds!). Now, it’s the most requested cake in my circle—proof that the best recipes weave love into every layer.
Your Grocery List: Building Blocks of Bliss
Don’t panic at the list! Most ingredients are pantry staples. Pro tip: Set everything out 30 mins before starting—room temp ingredients blend smoother, especially for cheesecake and frosting.
Peanut Butter Cheesecake Layer
- 16 oz cream cheese, room temp: Full-fat only! Low-fat weeps. Chef hack: Cube it for faster softening.
- 1¼ cups creamy peanut butter: Use shelf-stable (like Jif), not natural. Oily PB messes with texture.
- 1 cup sugar: Granulated works best for structure.
- ¾ cup sour cream: Secret weapon! Adds tang and silky texture. Greek yogurt works in a pinch.
- 3 large eggs: Crack into a separate bowl first to avoid shells!
- 2 tsp vanilla: Pure extract, not imitation. Your taste buds deserve it.
- 8 oz Reese’s minis (or chopped cups): Freeze ’em! Prevents sinking into the cheesecake.
Chocolate Cake Layer
- 2 cups sugar: Yes, it’s a lot. We’re balancing cocoa’s bitterness!
- 1¾ cups flour: Spoon & level—don’t scoop from the bag or cake gets dense.
- ¾ cup cocoa powder: Dutch-processed = richer color/flavor.
- 1½ tsp each baking powder & baking soda: Freshness matters! Clumpy? Time for new.
- 1½ tsp salt: Balances sweetness. Diamond Crystal kosher salt preferred.
- 2 eggs: Large, room temp.
- 1 cup milk: Whole milk = tender crumb. Buttermilk sub adds tang!
- ½ cup oil: Neutral like canola. Keeps cake moist vs. butter.
- 2 tsp vanilla: Yes, again! Flavor booster.
- 1 cup boiling water: “Blooms” cocoa powder. Batter will be thin—that’s perfect!
Peanut Butter Frosting & Ganache
- ¾ cup butter: Unsalted, room temp. Salted? Omit extra salt in cake.
- 1½ cups creamy peanut butter: Same as cheesecake layer.
- ¼ cup milk: Adjust for spreadable consistency.
- 3 cups powdered sugar: Sift it! Lumps are the enemy.
- 8 oz semisweet chocolate chips: Quality matters! Ghirardelli or Guittard.
- ½ cup heavy cream: Don’t sub half-and-half—ganache won’t set.
- 1 tsp instant coffee: Secret flavor enhancer—won’t taste coffee, just richer chocolate!
- 8 oz Reese’s minis/chopped: For topping. Chopped full cups add texture!
Let’s Build This Dream Cake: Step-by-Step
Pro Timeline: Bake cheesecake Day 1. Bake cakes & make frosting Day 2. Assemble!
Peanut Butter Cheesecake (Day 1)
- Prep: Preheat oven to 325°F. Wrap outside of 9-inch springform pan tightly with 2 layers of heavy-duty foil (prevents water bath leaks!). Lightly grease pan.
- Beat: In stand mixer, beat cream cheese 2 mins until smooth. Add peanut butter, sugar, sour cream, vanilla. Beat 3 mins, scraping bowl. Tip: Overbeating incorporates air = cracks!
- Eggs: Add eggs one at a time, mixing just until yolk disappears. Overmixing = dense cheesecake.
- Fold: Gently fold in frozen Reese’s with spatula. Pour into pan.
- Bake: Place springform in roasting pan. Pour hot water into roasting pan until halfway up springform sides. Bake 45-50 mins. It should jiggle slightly like Jell-O in center.
- Cool: Turn oven off. Crack door open 1 inch. Let cheesecake sit 1 hour inside (prevents shocking = cracks!). Remove, cool completely on rack. Chill overnight covered.
Chocolate Cake (Day 2)
- Prep: Preheat oven to 350°F. Grease & flour two 9-inch cake pans. Line bottoms with parchment!
- Dry Whisk: In large bowl, whisk sugar, flour, cocoa, baking powder, baking soda, and salt. No lumps allowed!
- Wet Mix: In another bowl, whisk eggs, milk, oil, and vanilla until smooth.
- Combine: Pour wet into dry. Mix just until combined—some flour streaks ok! Overmixing = tough cake.
- Water: Carefully stir in boiling water. Batter will be thin—this is normal! Pour evenly into pans.
- Bake: 30-35 mins. Test with toothpick—moist crumbs are ok. Cool 10 mins in pans, then flip onto racks. Peel off parchment immediately! Cool completely.
Frosting & Ganache
- Frosting: Beat butter 2 mins until pale. Add PB, beat 1 min. Slowly add powdered sugar alternating with milk. Beat 3-4 mins until fluffy. Too thick? Add milk 1 tsp at a time.
- Ganache: Heat cream + coffee until simmering (not boiling!). Pour over chocolate chips. Wait 5 mins! Stir slowly from center out until glossy. Cool 15 mins—it should coat a spoon thickly.
Assembly (The Fun Part!)
- Layer 1: Place one cake layer on plate. Spread ¾ cup frosting evenly.
- Cheesecake: Unclasp springform. Run knife around edge. Gently slide chilled cheesecake onto frosted cake. Pro tip: Freeze cheesecake 30 mins pre-assembly for easier handling!
- Layer 2: Spread another ¾ cup frosting on cheesecake. Top with second cake layer.
- Crumb Coat: Spread thin layer of frosting over entire cake. Chill 20 mins. This traps crumbs!
- Final Frost: Frost cake thickly with remaining frosting.
- Ganache: Pour cooled ganache over top, nudging it over edges with spatula for drips.
- Crown: Immediately press Reese’s cups onto top/sides before ganache sets. Go wild—more is merrier!
- Chill: Refrigerate at least 4 hours (overnight better!). Bring to room temp 30 mins before slicing.
Showtime: Serving Your Masterpiece
Presentation matters, darlings! Use a sharp chef’s knife dipped in hot water (wipe dry!) for clean slices—this baby is tall! Serve on simple white plates to let those layers shine. A drizzle of extra melted PB or chocolate sauce? Yes, please! Pair with cold milk, strong coffee, or (for adults) a bourbon-laced hot cocoa. Store leftovers covered in fridge—if they last! Pro tip: Birthday candles look extra magical in this Reese’s-studded landscape.
Make It Your Own: Delicious Twists
This cake is your canvas! Try these fun spins:
- Cookie Lover: Swap Reese’s in cheesecake for chopped Oreos. Use crushed Oreos in frosting!
- Salty-Sweet: Sprinkle flaky sea salt on ganache before it sets. Add pretzel pieces to topping.
- Nut-Free: Use SunButter instead of PB. Top with chocolate chunks, not Reese’s.
- Lighter(ish): Use Neufchâtel cheese in cheesecake. Skip ganache, dust with cocoa.
- Espresso Kick: Add 1 tbsp instant coffee to cake batter. Boost ganache coffee to 2 tsp.
Emily’s Kitchen Confessions & Tips
Okay, truth bomb: My first attempt at this? Disaster city! I rushed the cheesecake cooling, and it cracked like the Grand Canyon. I “fixed” it with extra frosting (baker’s spackle!), and guess what? Nobody knew! That’s the beauty—imperfections taste just as sweet. Over the years, I’ve learned: Freezing the Reese’s is non-negotiable (they’d sink like stones otherwise), and the instant coffee in ganache was a happy accident when I ran out of vanilla. Now it’s mandatory! This cake travels surprisingly well, too—I once took it on a 3-hour road trip nestled in a cooler. Pro tip: Bake extra Reese’s cups. You’ll snack while baking… I always do!
Your Questions, My Answers!
Q: Can I make this ahead?
A: Absolutely! Cheesecake freezes beautifully (wrap airtight) for 1 month. Thaw overnight in fridge. Fully assembled cake holds 3 days refrigerated.
Q: My ganache split! Help!
A: Don’t panic! Whisk in 1 tsp hot cream or ½ tsp vegetable oil. If it seizes (gets grainy), blitz in blender with 1 tbsp hot cream.
Q: Cheesecake cracked—did I ruin it?
A: Sweet friend, NO! Frosting is your bestie. Patch cracks with extra frosting before the crumb coat. It’ll taste divine regardless.
Q: Can I use natural peanut butter?
A> I don’t recommend it. The oil separation makes frosting greasy and cheesecake unstable. Stick to conventional creamy PB for best results.
Nutritional Info (Because Knowledge is Power!)
Per slice (16 slices): Calories: ~680 | Fat: ~45g | Carbs: ~60g | Protein: ~10g
Remember: This is a CELEBRATION cake! Savor every glorious bite guilt-free.
Chocolate Peanut Butter Cup Cheesecake Cake
This cake was born from one of our sweetest traditions—celebrating birthdays with layers of everyone’s favorite treats. A dreamy combo of rich chocolate cake, peanut butter cheesecake, and a luscious peanut butter frosting crowned with chocolate ganache and Reese’s cups—it’s every peanut butter lover’s dream come true.
- Prep Time: 1 hour
- Chill Time: 4+ hours
- Cook Time: 1 hour
- Total Time: 6 hours
- Yield: 16 slices 1x
Ingredients
Peanut Butter Cheesecake:
16 oz cream cheese, room temp
1¼ cups creamy peanut butter
1 cup sugar
¾ cup sour cream
3 large eggs
2 tsp vanilla
8 oz Reese’s minis (or chopped cups)
Chocolate Cake:
2 cups sugar
1¾ cups flour
¾ cup cocoa powder
1½ tsp baking powder
1½ tsp baking soda
1½ tsp salt
2 eggs
1 cup milk
½ cup oil
2 tsp vanilla
1 cup boiling water
Peanut Butter Frosting:
¾ cup butter
1½ cups creamy peanut butter
¼ cup milk
3 cups powdered sugar
Ganache:
8 oz semisweet chocolate chips
½ cup heavy cream
1 tsp instant coffee
Topping:
8 oz Reese’s minis or chopped
Instructions
Make Cheesecake: Beat all ingredients until smooth. Pour into springform pan. Bake at 325°F for 45–50 min. Chill overnight.
Make Cake: Mix dry and wet ingredients separately, then combine. Stir in boiling water last. Bake at 350°F in two pans for 30–35 min. Cool completely.
Frosting: Beat butter and peanut butter, then slowly add sugar and milk until fluffy.
Ganache: Heat cream and coffee, pour over chocolate. Let sit, stir until smooth.
Assemble: Layer cake, frosting, cheesecake, frosting, cake. Cover with frosting, ganache, and top with Reese’s.
Nutrition
- Calories: 680 per slice
- Fat: 45g per slice
- Carbohydrates: 60g per slice
- Protein: 10g per slice
Final Thoughts: When Dessert Becomes a Love Language
This isn’t just a cake—it’s a celebration, a memory, a moment you’ll want to relive (slice after glorious slice). From that first forkful of velvety peanut butter cheesecake hugged between rich chocolate layers, you’ll know: this cake doesn’t whisper “special occasion,” it shouts it from the rooftops with sprinkles and ganache.
Whether you’re baking for birthdays, milestones, or just need a “you made it through the week” reward, this masterpiece brings joy in layers. And if your ganache drips a little wild or the frosting goes slightly rogue? Good. That’s love showing through. The best desserts are the ones that tell a story—and this one says, “I showed up with everything I had (plus extra peanut butter).”
So don’t just bake this cake. Own it. Make it messy, make it proud, make it yours. Because the only thing better than baking something unforgettable… is watching the people you love light up when they take that first bite.
With chocolate-streaked smiles and the happiest heart,