One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch
A moist, fluffy vanilla butter cake made in one bowl using melted butter and cornstarch for tender crumb and rich flavor. This american-inspired desserts ready in about 50 minutes layers all-purpose flour, cornstarch, baking powder into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 390 calories and feeds 8, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 cups all-purpose flour
- 1/2 cup cornstarch
- 2 tsp baking powder
- 1/2 tsp baking soda
- 1/2 tsp salt
- 3/4 cup (1 1/2 sticks), melted and slightly cooled unsalted butter
- 1 1/4 cups granulated sugar
- 3 large eggs
- 2 tsp vanilla extract
- 1 cup buttermilk
- 2 tbsp vegetable oil
Instructions
- Step 1: Preheat oven to 350°F. Grease and flour an 8-inch round cake pan.
- Step 2: In a large mixing bowl, whisk together 2 cups all-purpose flour, 1/2 cup cornstarch, 2 tsp baking powder, 1/2 tsp baking soda, and 1/2 tsp salt.
- Step 3: Add 3/4 cup melted unsalted butter, 1 1/4 cups granulated sugar, 3 large eggs, 2 tsp vanilla extract, 1 cup buttermilk, and 2 tbsp vegetable oil to the dry ingredients. Whisk vigorously by hand until the batter is smooth and slightly thickened.
- Step 4: Pour the batter into the prepared pan and tap the pan gently to release any air bubbles.
- Step 5: Bake for 35-40 minutes or until a toothpick inserted into the center comes out clean. Let cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch take to make?
Total time is about 50 minutes (10 min prep + 40 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch for a different number of people?
The recipe is written for 8 servings. Multiply each ingredient by (your serving target / 8). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with One-Bowl Vanilla Butter Cake with Melted Butter and Cornstarch?
American desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
