Quick One-Bowl Vanilla Sheet Cake with Melted Butter
A simple, tender vanilla sheet cake made in one bowl with melted butter and oil for moistness, perfect for everyday celebrations. This american-inspired desserts ready in about 50 minutes layers all-purpose flour, baking powder, salt 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 380 calories and feeds 12, 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 1/2 cups all-purpose flour
- 2 1/2 tsp baking powder
- 1/2 tsp salt
- 2 cups granulated sugar
- 1/2 cup melted and cooled unsalted butter
- 1/4 cup vegetable oil
- 3 large eggs
- 2 tsp pure vanilla extract
- 1 cup whole milk
- 1 cup boiling water
Instructions
- Step 1: Preheat oven to 350°F. Grease and flour a 9x13-inch sheet pan.
- Step 2: In a large mixing bowl, whisk together 2 1/2 cups all-purpose flour, 2 1/2 tsp baking powder, 1/2 tsp salt, and 2 cups granulated sugar until combined.
- Step 3: Add 1/2 cup melted unsalted butter, 1/4 cup vegetable oil, 3 large eggs, 2 tsp pure vanilla extract, and 1 cup whole milk to the dry ingredients. Whisk vigorously by hand until smooth and lump-free.
- Step 4: Carefully stir in 1 cup boiling water until batter is thin and well blended.
- Step 5: Pour batter into prepared pan and bake for 35-40 minutes until a toothpick inserted in the center comes out clean.
- Step 6: Cool in pan on a wire rack for 20 minutes before slicing and serving. Optional: frost with your favorite icing or dust with powdered sugar.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Quick One-Bowl Vanilla Sheet Cake with Melted Butter 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 Quick One-Bowl Vanilla Sheet Cake with Melted Butter?
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 Quick One-Bowl Vanilla Sheet Cake with Melted Butter?
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 Quick One-Bowl Vanilla Sheet Cake with Melted Butter for a different number of people?
The recipe is written for 12 servings. Multiply each ingredient by (your serving target / 12). 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 Quick One-Bowl Vanilla Sheet Cake with Melted Butter?
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.