Vanilla Quarter Sheet Cake That Melts in Your Mouth

The Story Behind My Vanilla Quarter Sheet Cake

A vanilla quarter sheet cake is that no fuss, crowd-pleasing dessert that feels like a celebration on a plate simple, elegant, and always welcome. In this article, you’ll learn how to make the softest vanilla quarter sheet cake using the reverse creaming method, plus tips for storage, servings, and flavor upgrades. We’ll explore how many guests this vanilla quarter sheet cake feeds, how much it typically costs, and other frequently asked questions. Whether you’re baking for a birthday, potluck, or just a sweet craving, this cake delivers fluffy layers and rich vanilla flavor in every bite.

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My Saturday Sheet Cake Ritual

Growing up in Northampton, Massachusetts, Saturdays were sacred for baking with my Nana. Her recipe box was a treasure trove, and one card she pulled out often was for vanilla quarter sheet cake. Back then, I didn’t know the name just that it meant vanilla-scented hugs, sticky fingers, and licking buttercream off the spatula. Nana’s version was dense and sweet, often topped with rainbow sprinkles and served warm in a Pyrex pan.

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Vanilla Quarter Sheet Cake That Melts in Your Mouth

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This vanilla quarter sheet cake is soft, fluffy, and packed with buttery vanilla flavor. Baked in a classic 9×13 pan and topped with whipped vanilla buttercream, it’s perfect for birthdays, gatherings, or anytime you need a nostalgic dessert.

  • Author: Ghalya Peaches
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 55 minutes
  • Yield: 20–24 servings
  • Category: Cakes
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale

3 cups (354g) cake flour (spooned & leveled)

1 and 1/2 cups (300g) granulated sugar

1 teaspoon baking powder

1/2 teaspoon baking soda

1/2 teaspoon salt

1 cup (226g) unsalted butter, cubed and softened

1 Tablespoon pure vanilla extract

1 cup (240ml) whole milk, divided

1/3 cup (80g) sour cream

3 large eggs

**Whipped Vanilla Buttercream**

1 cup (226g) unsalted butter, softened

4 1/2 cups (540g) confectioners’ sugar

1/3 cup (80ml) heavy cream

2 teaspoons vanilla extract

salt, to taste

optional: sprinkles for garnish

Instructions

1. Preheat the oven to 350°F (177°C). Grease a 9×13-inch cake pan.

2. Sift the cake flour, sugar, baking powder, baking soda, and salt into a mixing bowl.

3. Add butter, vanilla, and 1/2 cup milk. Beat until moistened.

4. In another bowl, whisk remaining milk, sour cream, and eggs.

5. Add wet mixture to dry in 3 parts, mixing between each addition.

6. Spread batter evenly into prepared pan.

7. Bake for 32–35 minutes or until a toothpick comes out clean.

8. Cool completely in the pan before frosting.

9. To make frosting, beat butter until creamy.

10. Add sugar, cream, and vanilla. Whip for 4 minutes.

11. Frost cooled cake and add sprinkles if desired.

Notes

Store in fridge up to 5 days, covered tightly.

Freeze unfrosted or frosted cake up to 3 months.

Let frosting sit at room temp and re-whip before using.

Great with chocolate frosting or folded-in sprinkles.

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When I opened my dessert studio above that little flower shop downtown, I wanted to give this nostalgic bake a proper upgrade soft crumb, refined flavor, and a polished whipped buttercream. But still warm, still joyful. That’s when I discovered the reverse creaming method, and everything changed.

Why This Vanilla Quarter Sheet Cake Works

This vanilla quarter sheet cake is made with cake flour to achieve an ultra-soft crumb. The reverse creaming method ensures the fat coats the flour, limiting gluten development, which makes the texture tender, not chewy. Sour cream adds moisture, whole milk brings richness, and pure vanilla extract deepens the flavor beautifully. You’ll find this cake holds up beautifully to frosting and slicing just right for parties or bake sales. Checkout our Facebook page for more recipes

A quarter sheet cake, measuring approximately 9×13 inches, usually serves 20 to 24 people, depending on the portion size. That makes it perfect for small celebrations, baby showers, or backyard gatherings where everyone wants just a little slice more.

How to Make the Best Vanilla Quarter Sheet Cake

Reverse Creaming Method for Fluffy Perfection

Most vanilla quarter sheet cake recipes start with creaming butter and sugar, but not this one. The reverse creaming method gives this cake its delicate, bakery-style crumb. Instead of beating butter and sugar first, you’ll sift together the dry ingredients cake flour, baking powder, baking soda, and salt, then beat in cubed butter and a splash of milk. This coats the flour in fat, limiting gluten development and creating a soft, tight crumb that holds moisture beautifully.

Sifted flour and cubed butter ready for vanilla quarter sheet cake batter

After the butter is blended in, you’ll gradually add a mix of eggs, sour cream, and the remaining milk. This blend adds both structure and richness without making the cake heavy. No need for extra egg whites here; the balance of fat and acidity from the sour cream ensures this cake stays light and tender.

Mixing stages of vanilla quarter sheet cake batter in glass bowls

By the way, if you’re curious about how the reverse creaming method compares to classic creaming, check out my Lemon Birthday Cake Guide where I use both techniques side by side.

Ingredient Tips That Matter

Cake flour is key. It’s lighter and silkier than all-purpose flour, which results in a finer texture. If you’re in a pinch, you can make a substitute by mixing all-purpose flour with cornstarch, but the real thing is worth it for this recipe.

Sour cream is the secret ingredient that adds just the right amount of fat and tang, keeping the crumb moist while letting the vanilla flavor shine. And vanilla? Don’t skimp. Use a full tablespoon of pure vanilla extract. If you’ve got homemade or Madagascar vanilla, now’s the time to show it off.

Looking for a shortcut version? My One-Bowl Vanilla Snack Cake is perfect when you’re short on time but still crave that old-school flavor.

Frosting & Decorating a Vanilla Quarter Sheet Cake

How to Make Whipped Vanilla Buttercream

A soft, rich vanilla quarter sheet cake deserves frosting that’s equally irresistible. This whipped vanilla buttercream hits all the right notes, creamy, fluffy, and just sweet enough without being cloying. Start with softened unsalted butter, beat it until pale and creamy, then slowly incorporate confectioners’ sugar, heavy cream, and pure vanilla extract.

 Whipped vanilla buttercream frosting in a glass bowl for a vanilla quarter sheet cake

Want your frosting super fluffy? Beat it for a full 4 minutes after combining. The extra whipping time traps air, giving your buttercream a cloud-like texture. If it’s too sweet, a pinch of salt balances the flavors. Too thick? Add a splash more cream. Too thin? Add a bit more sugar. It’s flexible and forgiving.

Frosted vanilla quarter sheet cake with rainbow sprinkles in a glass baking dish

Pro tip: If you’re new to buttercream, check out my Beginner’s Guide to Frosting Cakes Like a Pro. You’ll learn how to avoid over beating, how to color buttercream, and which tools make a difference.

Decorating Made Simple or Fancy

One of the best things about a vanilla quarter sheet cake is how easy it is to decorate. To keep it simple, use an offset spatula to gently swirl the frosting across the cooled cake. Add rainbow or pastel sprinkles if you’re serving kids, or edible pearls for a bridal shower.

Want to take it further? Use a piping tip like Wilton 1M to add decorative edges or rosettes. This works especially well if you plan to slice and serve directly from the pan. A light dusting of sanding sugar gives it a bakery fresh finish.

Hosting a themed party? Pair this vanilla quarter sheet cake with my Vanilla Bean Sugar Cookies for a cohesive dessert table that looks as good as it tastes.

Serving, and Storage About Vanilla Quarter Sheet Cake

How Many People Does a Quarter Sheet Cake Serve?

A vanilla quarter sheet cake baked in a 9×13-inch pan typically serves 20 to 24 people, depending on how you slice it. For smaller events, you can cut 2×2-inch squares for standard servings. Need smaller pieces for a tasting table or kid’s party? Slice them into 1.5×2-inch portions and easily get 30 pieces.

This size makes it perfect for birthdays, office parties, baby showers, or potlucks where you want something easy to transport and simple to serve. It’s large enough to impress, yet small enough to bake in any standard oven, no industrial trays required.

Close-up of a slice of vanilla quarter sheet cake with whipped frosting on a pink plate

Curious about other event-sized desserts? You’ll love my Coconut Sheet Cake for a Crowd and Chocolate Slab Cake with Ganache for larger groups.

Storage Tips & Budget Considerations

Leftovers? If you have any, wrap the pan tightly in plastic wrap or store slices in an airtight container. The cake stays fresh in the fridge for up to 5 days, though it’s best served at room temperature. To freeze, wrap individual slices tightly and store up to 3 months. Thaw overnight in the fridge before serving.

So, how much should a vanilla quarter sheet cake cost? If you’re buying from a bakery, expect to pay $30–$60, depending on decoration, flavor complexity, and location. But making it yourself? You’ll spend closer to $10–$15 on ingredients—while getting better taste and quality.

Want to try a budget sheet cake with just as much flavor? Check out my Vanilla Yogurt Snack Cake made with pantry staples and no mixer required.

Conclusion

There’s a timeless charm in a vanilla quarter sheet cake, its soft crumb, rich vanilla flavor, and no-fuss 9×13 inch size make it the ultimate crowd pleaser. Whether you’re baking for a birthday, school function, or just because it’s the weekend, a homemade vanilla quarter sheet cake delivers consistent flavor, elegant texture, and warm nostalgia in every slice. It’s a dessert that feels both simple and special, making it a staple in any baker’s rotation.

Want to round out your dessert table? Pair this vanilla quarter sheet cake with my Strawberry Compote Topping or serve it alongside Mini Vanilla Cupcakes for a beautifully coordinated spread.

FAQs About Vanilla Quarter Sheet Cake

How many will a 1/4 sheet cake feed?

A quarter sheet cake typically serves 20 to 24 people, depending on portion size. For smaller servings like 1.5×2-inch slices, you can stretch that number to around 30 pieces, which makes it ideal for mid-sized gatherings or celebrations.

How much should a 1/4 sheet cake cost?

If you order from a bakery, prices range from $30 to $60 depending on ingredients, customization, and frosting style. Making it at home costs significantly less usually under $15 using pantry staples, with the added bonus of fresher flavor.

What size sheet cake for 25 guests?

A quarter sheet cake 9×13 inches is just right for 25 guests, especially if you cut smaller pieces. If you prefer generous slices, consider making 1.5×2.5-inch cuts, or double the recipe for a half-sheet 13×18 inches to play it safe.

How many pieces of cake do you get out of a quarter sheet?

You can get anywhere from 20 to 30 slices out of a quarter sheet cake. The exact number depends on how large each slice is. A party-style 2×2-inch cut yields 24 servings, while smaller bites for events or buffets give you more.

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