Peanut Butter Rice Krispie Treats How To
There’s something about baking that instantly takes me back—to childhood mornings in my grandma’s kitchen, the smell of vanilla and something sweet wafting through the air, and the sounds of laughter from family. This zucchini swirl bundt cake is one of those recipes I keep coming back to—part nostalgia, part delicious surprise. I remember the first time I made it, I thought, “Will this actually work?” but the moment I pulled that golden, marbled cake out of the oven, I was hooked. The best part? It’s so insanely easy, and you get this gorgeous swirl of zucchini and cinnamon that makes it feel a little fancy but is totally doable for a weeknight treat. Honestly, I always do this when I want something comforting but don’t have hours to bake—this one’s a lifesaver on busy nights. Plus, my kids ask for this all the time. Trust me, the smell alone brings everyone running to the kitchen!
What is Zucchini Swirl Bundt Cake?
This is basically a moist, tender cake with a beautiful marbled swirl of grated zucchini and cinnamon running through it. Think of it as a lovechild between my favorite quick bread and a classic vanilla cake, but elevated with a fruity, veggie twist. It’s essentially a sneaky way to get those greens in—because let’s be honest, if it was just zucchini on its own, my kids might turn up their noses. But when it’s baked into this soft, cinnamon-spiced batter with a swirl pattern, suddenly everyone’s excited to dig in. The name might sound fancy, but this cake is super approachable, even if you’re not a seasoned baker. I like calling it a “secret vegetable cake,” because it feels like a treat but secretly sneaks some healthy stuff into the mix. It’s a celebration of simple ingredients with a wow factor that’s perfect for breakfast, brunch, or that unexpected sweet craving.
Why you’ll love this recipe?
Oh, there are so many reasons why I keep making this cake—and why I think you’ll love it too! First off, the flavor profile is just heaven. The cinnamon-spiced zucchini mix gives it this tender, fruity undertone that’s not overly sweet but still totally satisfying. It’s like a hug in cake form. What I love most about this is how ridiculously simple it is—you don’t need fancy ingredients or complicated techniques. Just a box of basic pantry staples, grated zucchini, and a handful of spices. Plus, it’s budget-friendly, so you can whip this up without breaking the bank—no fancy specialty flours or weird ingredients needed. The versatility is another bonus: serve it warm for breakfast, drizzle with cream for dessert, or enjoy it as a cozy afternoon snack with tea. I’ve even made mini muffins from the batter, and let me tell you, they disappear in minutes around here! It’s also a great way to use up those large zucchinis you might have laying around at the end of summer—I always do this when I want to clear out the fridge. The swirl pattern makes it feel fancy enough for guests, but honestly, I make it just for my family—it’s become a staple around here. This cake has become one of those family favorites I turn to when I need something quick, pretty, and delicious all at once.
How do I make Zucchini Swirl Bundt Cake?
Quick Overview
This cake comes together in just a few easy steps. You start by prepping your zucchini and mixing the dry ingredients. Then, you combine wet ingredients—think eggs, oil, vanilla, and a splash of milk—mix them up until smooth, and fold in the grated zucchini. The batter is poured into a greased bundt pan, then drizzled with a cinnamon-swirl mixture before baking—trust me, the swirl pattern turns out gorgeous! Once baked, let it cool slightly, then glaze it with a simple powdered sugar icing. The entire process is straightforward, and I always have the ingredients on hand, so it’s perfect for last-minute snacks or a cozy weekend baking session.
Ingredients
For the Main Batter:
– 2 cups all-purpose flour (I like to use unbleached for a richer flavor)
– 1 1/2 teaspoons baking powder
– 1/2 teaspoon baking soda
– 1/2 teaspoon salt
– 1 teaspoon ground cinnamon
– 1/2 teaspoon ground nutmeg (optional but adds warmth!)
– 1 cup granulated sugar
– 1/2 cup vegetable oil or melted coconut oil (I tested both and love how coconut oil makes it even more tender!)
– 3 large eggs
– 1 teaspoon vanilla extract
– 1/4 cup milk (dairy or almond works equally well)
For the Filling:
– 1/4 cup brown sugar
– 1 teaspoon cinnamon
– 1 cup grated zucchini (make sure to squeeze out excess moisture; it keeps the cake from getting soggy!)
For the Glaze:
– 1 cup powdered sugar
– 1-2 tablespoons milk or lemon juice (for zing!)
– A splash of vanilla (optional)
Step-by-Step Instructions
Step 1: Preheat & Prep Pan
Preheat your oven to 350°F (175°C). Grease a bundt pan generously with butter or non-stick spray and dust it with flour—this helps prevent sticking and keeps your cake looking perfect. I like to set my pan on a baking sheet just in case of drips; it makes for easier cleanup. Let’s make sure everything is ready so we can dive right in once the batter is mixed.
Step 2: Mix Dry Ingredients
In a large bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and nutmeg. This step ensures your leavening agents and spices are evenly distributed, so every bite gets that perfect, cozy flavor. I’ve gone without sifting and just whisked, and it works fine; just avoid lumps or uneven spice distribution.
Step 3: Mix Wet Ingredients
In a separate bowl, beat the eggs, then add in the sugar, oil, vanilla, and milk. Whisk until the mixture is smooth and slightly bubbly—this lightens the batter and helps it rise beautifully. Sometimes I warm the milk a tad to make everything blend easier, but don’t do this if you’re using cold eggs straight from the fridge—it’s all about that gentle balance.
Step 4: Combine
Pour the wet mixture into the dry ingredients. Use a spatula or a spoon, folding gently just until everything is combined—no overmixing here! Overmixing can make the cake dense and tough, which isn’t what we want. The batter should be smooth with a few lumps—think of it as a thick, pourable consistency.
Step 5: Prepare Filling
Mix together the brown sugar, cinnamon, and grated zucchini. I always squeeze out as much moisture as I can from the zucchini—no one wants a soggy cake. If your zucchini is extra watery, a quick spin in a paper towel or cheesecloth helps soak up the dampness. This filling adds that lovely cinnamon-spiced swirl that makes the cake look pretty and taste divine.
Step 6: Layer & Swirl
Pour about half of the batter into your prepared pan. Then, sprinkle half of the zucchini mixture over it. Cover with the remaining batter and spoon the rest of the zucchini on top. Using a skewer or a butter knife, gently swirl through the batter—don’t overdo it, just enough to create those pretty marbled patterns. It’s like painting with batter!
Step 7: Bake
Bake for about 45-50 minutes, or until a toothpick inserted into the center comes out clean. Every oven is a little different—my tip is to start checking around 45 minutes. The house will smell amazing—warm cinnamon, vanilla, and that hint of zucchini. When it’s done, let it cool in the pan for about 15 minutes before turning it out onto a wire rack. Patience is key here—don’t rush the cooling for the best crumb!
Step 8: Cool & Glaze
While the cake cools, mix up your glaze. I always eyeball it—start with powdered sugar and add milk a teaspoon at a time until it’s thick but pourable. Drizzle generously over the slightly warm cake for that glossy, irresistible finish. If you prefer something tangier, a squeeze of lemon juice totally works here.
Step 9: Slice & Serve
This cake tastes even better the next day when the flavors meld. I like to slice it thick, serve it with a cup of coffee or tea, and watch everyone’s eyes light up. The swirl pattern makes it super pretty on the plate, and the moist crumb will have everyone asking for seconds. Trust me, it’s addictive!
What to Serve It With
This zucchini swirl bundt cake is so versatile, I always have a few ideas up my sleeve depending on the occasion. For breakfast, pair it with your favorite coffee—think a mild roast or a caramel macchiato—to balance the cinnamon and zucchini richness. My family loves to add a dollop of whipped cream on the side, especially on lazy weekend mornings. If you’re doing brunch, serve slices alongside fresh fruit, a handful of nuts, and maybe some buttery scones for a full spread. Because it’s not overly sweet, it also makes a lovely afternoon treat—try pairing it with herbal tea or a cold glass of milk. As a dessert, I glaze it generously and add a sprinkle of chopped nuts or even a few chocolate chips for an extra indulgence. Sometimes I’ll throw on a dollop of mascarpone or vanilla yogurt—they love the way it adds creaminess. Honestly, I’ve served this at family gatherings, potlucks, and even as a last-minute brunch centerpiece—and it always gets rave reviews.
Top Tips for Perfecting Your Zucchini Swirl Bundt Cake
After making this countless times, I’ve picked up a few tricks that make the process smoother and the cake even better. First, prep your zucchini well. I always grate it and then squeeze out as much excess moisture as possible—this keeps the cake tender and prevents sogginess. The secret is damp zucchini is a no-go. I’ve tried adding the zucchini straight from the fridge, and it’s just too watery. I wrap it in a paper towel and give it a good squeeze—works every time!
When mixing the batter, don’t overdo it. I’d say fold it gently until it’s just combined. Overmixing not only toughens the crumb but also risks deflating the batter’s rise. As for the swirl, a light hand on the skewer makes all the difference. I don’t want the zucchini and cinnamon to be all over the place—just enough to give a pretty marbled effect. If you want a more dramatic swirl, layer the filling in thicker, or swirl more vigorously, but be careful not to mix too much into the batter or it loses definition.
Ingredient swaps? Absolutely! I tested this with almond flour, and it worked surprisingly well—though the texture was a bit denser. If you’re gluten-free, just replace the flour with your favorite gluten-free blend, and add a little extra baking powder. For a sweeter cake, bump up the sugar or add a handful of chocolate chips or chopped nuts—I’ve even done a lemon glaze instead of vanilla, and it was a hit. The key is tasting the batter before baking, making sure that balance of sweetness, spice, and moisture is just right.
Oven matters, too. If you have a convection oven, reduce the temperature by 25°F and keep an eye on it around the 40-minute mark. I always insert a toothpick in the center—if it comes out clean, it’s good to go. Cool the cake in the pan for about 15 minutes; then, gently turn it out. Patience again, because a hot, crumbly cake isn’t pretty or fun to serve. Once cooled, glaze or dust with powdered sugar for that finishing touch.
Storing and Reheating Tips
This cake is best enjoyed within a couple of days, but if you have leftovers, here’s how to keep it fresh. At room temperature, wrap it tightly with plastic wrap or store in an airtight container. It’ll stay moist and delicious for 2-3 days—just don’t leave it out in the sun or near heat. In the fridge, it’s even better—cover well, and it’ll keep for up to a week. The coolness actually helps the flavors meld, and the cake stays moist. If you want to keep it longer, pop slices or the whole cake into the freezer wrapped tightly in foil or plastic wrap. It’s great for busy mornings—you can thaw it at room temp in an hour or so, or warm a slice gently in the microwave for 20 seconds. Just keep the glaze on the side if you’re freezing it, or re-glaze after thawing for the prettiest, freshest look.
Frequently Asked Questions
Final Thoughts
Honestly, this zucchini swirl bundt cake has become one of my go-to recipes when I want something comforting yet a little special. It’s modest in ingredients but big on flavor—moist, cinnamon-spiced, and beautifully marbled with a hint of vegetable goodness. I love that it’s so versatile; I can whip it up on a busy weeknight or serve it at a dinner gathering with friends. It’s one of those recipes that feels like a warm hug, thanks to the nostalgic smell and cozy flavors. If you’re looking for a way to jazz up your zucchini and surprise your loved ones, give this a try—you might just find it becomes a new family tradition. Happy baking! And I’d love to hear how yours turns out—drop a comment or share your variation!

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Ingredients
Method
- In a large pot, melt butter over medium heat. Add marshmallows and stir until completely smooth. Remove from heat and stir in peanut butter quickly. Mix in Rice Krispies cereal.
- Fold in mini marshmallows. Transfer mixture into a lined 9-inch square baking dish, pressing gently to spread evenly without compacting tightly. Pour melted peanut butter morsels evenly over the top.
- Place Reese's Mini Peanut Butter Cups on top and press them gently to embed. Let set for about an hour, then cut into squares and serve.
