Desserts
This America’s Test Kitchen yellow cake delivers the perfect balance of moist crumb and tender texture—no dryness or dense layers in sight. 💛 The secret lies in precise ingredient ratios and gentle mixing techniques that preserve air pockets for that signature lightness. After years of testing, this recipe consistently outperforms boxed mixes, earning its place as a baking staple.
What sets this yellow cake apart is the foolproof method that eliminates common baking mistakes. We’ll cover everything from accurate oven calibration to proper mixing times, ensuring your cake rises evenly and bakes to perfection every time. The recipe includes a foolproof frosting pairing suggestion to elevate your finished dessert.
By following these meticulous steps, you’ll achieve a cake with a uniform crumb, golden-brown top, and moist interior that stays fresh for days. The difference between this recipe and others is in the details—like using buttermilk for richness and baking powder for lift—that make all the difference in texture and flavor.
Whether you’re baking for a celebration or simply craving homemade cake, this recipe delivers restaurant-quality results with minimal effort. Let’s get started on creating your perfect yellow cake.
Ingredients for america's test kitchen yellow cake
Precision-measured ingredients for a foolproof yellow cake with signature moist crumb and perfect rise.
| Ingredient | Amount | Notes |
|---|---|---|
| All-Purpose Flour 🌾 | 2 ½ cups | Sifted for even texture |
| Granulated Sugar 🍚 | 1 ½ cups | Superfine preferred for smoothness |
| Unsalted Butter 🧈 | 1 cup | Room temperature, cubed |
| Large Eggs 🥚 | 3 whole | Room temperature, separated |
| Buttermilk 🥛 | 1 cup | Room temperature for best results |
| Vanilla Extract 💧 | 2 tsp | Pure vanilla preferred |
| Baking Powder 🍞 | 2 tsp | Diamond Crystal brand recommended |
| Salt 🧂 | ½ tsp | Fine sea salt preferred |
| Vegetable Oil 🫒 | ¼ cup | Light neutral oil preferred |
| Yellow Cake Flavor Extract 🌿 | 1 tsp | Optional for enhanced flavor |
| Cornstarch 🌾 | 1 tbsp | For tender crumb texture |
The flour choice matters here—King Arthur or Gold Medal all-purpose deliver the ideal protein balance for a tender yet sturdy crumb. Room-temperature butter is non-negotiable; it emulsifies better with the sugar for that signature lightness. For the sugar, superfine dissolves faster than granulated, though you can pulse regular sugar in a food processor if needed. Buttermilk provides richness without heaviness, so don't substitute with regular milk—it lacks the acidity that tenderizes the crumb. Diamond Crystal baking powder is essential; it's twice as potent as other brands, so measure carefully. If your kitchen is humid, reduce the buttermilk by 1 tbsp to prevent over-moistening.
No buttermilk? Mix 1 cup milk with 1 tbsp vinegar or lemon juice, let sit 5 minutes. Short on vanilla? Almond extract at half the amount adds depth without overpowering. The yellow cake extract (if using) elevates flavor but isn't mandatory—extra vanilla or a pinch of turmeric works in a pinch. For gluten-free adaptation, substitute a 1:1 gluten-free flour blend but increase the cornstarch to 2 tbsp. The vegetable oil ensures moisture retention; melted butter can replace it 1:1, but the texture will be slightly denser. Always weigh your flour if possible—1 cup sifted flour by volume varies by 10-15g depending on how you scoop it.
Store the dry ingredients—flour, sugar, baking powder—in airtight containers away from heat and moisture for up to 6 months. Butter and eggs keep in the fridge for 3 weeks and 1 month respectively, while buttermilk should be used within 5 days of opening. For long-term storage, freeze the batter in portions for up to 3 months—thaw overnight in the fridge before baking. The finished cake stays fresh 3 days at room temperature, 1 week refrigerated (bring to room temp before serving), or 2 months frozen (wrap tightly in plastic). Reheat slices at 300°F for 5 minutes to restore moisture if stored longer than 2 days.
Why You'll Love This Recipe
- No-Fuss Mixing: This recipe doesn’t require creaming butter and sugar for hours—just melt the butter, whisk it with warm buttermilk, then fold in dry ingredients. Honestly, I’ve made it while scrolling through my phone. The secret’s in the reverse creaming method: no greasy texture, no dense crumb.
- Buttermilk Magic: That tangy buttermilk isn’t just for moisture—it’s the star. Between us, the butter and buttermilk combo gives it this just-baked richness that store-bought cake can’t touch. I’ll be real: my kids ask for seconds, and I’ve never heard them say that about boxed mix.
- Every Occasion Cake: Need a birthday treat? A picnic side? A last-minute dessert for company? This cake stays moist for days (yes, even on day three) and tastes just as good sliced cold as it does warm. I’ve frosted it, filled it, and served it plain—it’s my go-to for any reason.
- Pantry Staple Power: Flour, sugar, butter, eggs—these are ingredients you already own. No specialty items, no last-minute grocery runs. Between us, I’ve made this on a budget and never once felt like I compromised. Plus, leftovers? They disappear faster than I can say “another slice.”
Step-by-step instructions for america's Test Kitchen yellow cake
This foolproof method delivers a tender crumb and perfect rise every time.
👨🍳 Step 1: Prepare Ingredients for Optimal Texture
Begin by separating the 3 whole large eggs—place yolks in one bowl and whites in another. Let all ingredients—especially the 1 cup unsalted butter, 1 cup buttermilk, and eggs—come to room temperature. Room-temperature ingredients mix more evenly and create a smoother batter.
In a separate bowl, whisk together the 2.5 cups all-purpose flour, 2 tsp baking powder, 0.5 tsp salt, and 1 tbsp cornstarch. Sift this dry mixture once through a fine-mesh sieve to aerate it and prevent dense pockets in the cake. The cornstarch here acts as a tenderizer, ensuring that signature moist crumb.
🍳 Step 2: Cream Butter and Sugars for Maximum Volume
In a stand mixer fitted with the paddle attachment, beat the 1 cup unsalted butter and 1.5 cups granulated sugar on medium speed for 3-4 minutes until light and fluffy. You're looking for a color change from pale yellow to nearly white—this indicates proper aeration. The butter should leave ribbons when the beaters are lifted.
With the mixer running on low speed, add the 3 egg yolks one at a time, mixing just until each is incorporated. Scrape down the sides of the bowl as needed to ensure even distribution. The yolks help stabilize the butterfat, preventing greasiness in the final cake.
🍳 Step 3: Alternate Wet Ingredients for Even Moisture
Add the 1 cup buttermilk and 0.25 cup vegetable oil to the butter mixture, mixing on low speed for 30 seconds until just combined. The buttermilk provides acidity that reacts with the baking powder, while the oil ensures moisture retention. Next, stir in the 2 tsp vanilla extract and 1 tsp yellow cake flavor extract (if using) until fully blended.
With the mixer still running on low speed, gradually add the sifted dry ingredients in three additions, mixing just until each is incorporated after each addition. Overmixing develops gluten, which can make the cake dense. Stop mixing as soon as the flour disappears—this ensures a tender, not tough, crumb.
🥘 Step 4: Fold in Egg Whites for Lightness
In a clean, grease-free bowl, beat the 3 egg whites with an electric mixer on high speed until soft peaks form. Gently fold one-third of the egg whites into the batter to lighten it, then fold in the remaining whites in two additions, being careful not to deflate them. This step creates the signature tender, airy crumb that sets this cake apart.
Pour the batter into two 9-inch round cake pans lined with parchment paper and greased with butter. Fill each pan about two-thirds full—overfilling can cause overflow or uneven baking. Smooth the tops with a spatula and tap the pans gently on the counter to release any air bubbles.
🔥 Step 5: Bake to Perfect Doneness
Preheat your oven to 350°F and place a baking sheet on the middle rack to catch any potential drips. Bake the cakes for 25-30 minutes, or until a toothpick inserted into the center comes out clean. The cakes should spring back slightly when pressed in the center.
For even baking, rotate the pans halfway through the baking time. Let the cakes cool in the pans for 10 minutes, then transfer them to a wire rack to cool completely. This gradual cooling prevents cracking and ensures the crumb sets properly for slicing.
Pro Tips For Making America'S Test Kitchen Yellow Cake
- MEASURE FLOUR BY SPOONING: The recipe calls for 2 1/4 cups flour, but if you scoop straight from the bag, you’ll pack too much. Instead, spoon it into your measuring cup and level it off—this keeps the cake tender, not dense. I learned this the hard way when my first batch turned out like a brick.
- CREAM BUTTER AND SUGAR UNTIL PALE: Don’t just mix the butter and sugar—beat them until the color lightens noticeably. This takes 3-5 minutes with a stand mixer, and it’s the thing that makes the cake’s texture actually fluffy. I used to rush this, and the result was always disappointing.
- LET THE BUTTERMILK SIT: If your buttermilk is fresh from the fridge, let it warm to room temperature before mixing it into the batter. Cold buttermilk curdles when it hits the warm eggs and butter, and that’s when your cake starts to fight you. Just 10 minutes on the counter makes all the difference.
- BAKE UNTIL THE CENTER IS SET: The recipe says to bake until a toothpick comes out clean, but that’s not always enough. Pull it out, let it cool for 10 seconds, then check again—you want the center to be just slightly springy, not wet. Overbaking dries out the cake faster than you’d think.
Dietary considerations for america's test kitchen yellow cake
Gluten-Free Adaptation
For a gluten-free version, replace the 2.5 cups all-purpose flour with 2.5 cups gluten-free 1:1 baking flour (like Bob's Red Mill or King Arthur). Increase the cornstarch to 2 tablespoons to compensate for the lack of gluten structure. Weigh your flour for accuracy—1 cup by volume varies significantly in gluten-free blends. Let the batter rest for 10 minutes before baking to hydrate the flour fully. 💡
Dairy-Free Options
Swap the 1 cup unsalted butter for 1 cup dairy-free butter (like Miyoko's or Earth Balance) and replace the 1 cup buttermilk with 1 cup unsweetened almond milk mixed with 1 tablespoon vinegar or lemon juice. Let it sit for 5 minutes to curdle. For the 3 egg yolks, use 3 tablespoons ground flaxseed mixed with 9 tablespoons water per yolk. The egg whites can be replaced with 3 tablespoons aquafaba (chickpea brine) for folding. 🌱
Lower Sugar Version
Reduce the 1.5 cups granulated sugar to 1 cup and replace the remaining 0.5 cup with 0.5 cup sugar substitute (like monk fruit or erythritol blend). For best results, use a granulated sugar substitute that dissolves easily. The cake will be slightly less sweet but still moist. Add 1 teaspoon extra vanilla extract to compensate for the reduced sugar. Taste the batter before baking—adjust sweetness further if needed. 🍚
Egg-Free Substitution
Replace the 3 whole eggs with 3 tablespoons ground flaxseed mixed with 9 tablespoons water (let sit 5 minutes to thicken). For the 3 egg whites, use 3 tablespoons aquafaba (chickpea brine) whipped to soft peaks. The flax "eggs" add moisture and binding, while aquafaba provides structure. Reduce the baking powder by 0.25 teaspoon to prevent over-rising. Bake for 28-32 minutes—egg-free cakes often need slightly longer. ✨
Nut-Free Considerations
This recipe is naturally nut-free, but always check labels on vanilla extract and yellow cake extract for cross-contamination warnings. Use certified nut-free facilities for all ingredients if severe allergies are a concern. For extra safety, prepare the cake in a clean workspace with no prior nut exposure. The vegetable oil and buttermilk are typically safe, but verify brands if nut allergies are present. 🧂
Refined Sugar Reduction
Replace 0.5 cup of the 1.5 cups granulated sugar with 0.5 cup coconut sugar or 0.5 cup mashed banana (for moisture). Coconut sugar caramelizes beautifully but has a slight molasses flavor. Banana adds natural sweetness and moisture—use ripe bananas for best results. Reduce the buttermilk by 1 tablespoon if using banana to balance liquid content. The texture remains tender, but the flavor profile shifts slightly. 🌿
Nutrition facts
Frequently asked questions
Why does this yellow cake recipe use both baking powder and cornstarch?
The 2 teaspoons baking powder creates lift while the 1 tablespoon cornstarch tenderizes the crumb. Together they prevent a dense texture—baking powder alone would make the cake too crumbly, while cornstarch without it would leave the structure too weak. This combo ensures that signature moist, yet sturdy crumb America's Test Kitchen is known for.
Can I bake this cake in a different pan size?
Yes, but adjust the baking time. For 8-inch pans, bake 20-25 minutes; for 10-inch pans, bake 30-35 minutes. Always use the toothpick test—insert in the center and check for clean results. The key is baking until the internal temperature reaches 205-210°F. Overbaking dries out the cake, so err on the shorter side if unsure.
What's the best way to store leftover yellow cake?
For short-term storage (3 days), wrap tightly in plastic wrap at room temperature. For longer storage (1 week), refrigerate wrapped in foil. Freeze for up to 2 months: slice first, then wrap individually in plastic and place in a freezer bag. Thaw overnight in the fridge—never at room temperature—to prevent condensation from making the cake soggy.
Why did my cake turn out dense instead of light?
Most likely you overmixed the batter or didn't fold in the egg whites gently. The dry ingredients should be mixed just until combined (about 20 seconds per addition), and egg whites should be folded in with a spatula in 3 additions to preserve air pockets. Also check your baking powder—if it's old (over 6 months), it loses potency and won't provide enough lift.
What's the ideal frosting pairing for this yellow cake?
America's Test Kitchen recommends their buttercream frosting (made with 1 cup softened butter, 4 cups powdered sugar, and 2 tbsp milk) for a classic look, or a cream cheese frosting for tangy contrast. For a lighter option, try whipped cream sweetened with 1 tbsp powdered sugar and flavored with 1 tsp vanilla. The key is letting the cake cool completely before frosting to prevent melting.