One-Bowl Vanilla Sheet Cake with Melted Butter

By AislePrompt Editorial · ·

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

An easy, fluffy vanilla sheet cake made with melted butter and oil for extra moistness, perfect for any celebration. This American-inspired recipe, 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 320 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.

Prep: 10 min Cook: 40 min Serves 12 American cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 350°F. Grease and flour a 9x13-inch sheet pan.
  2. Step 2: In a large mixing bowl, whisk together 2 3/4 cups all-purpose flour, 2 tsp baking powder, and 1/2 tsp salt.
  3. Step 3: Add 1/2 cup melted unsalted butter, 1/4 cup vegetable oil, 2 cups granulated sugar, 3 large eggs, and 1 tbsp vanilla extract to the dry ingredients. Mix on low speed until combined.
  4. Step 4: Pour in 1 cup whole milk and beat on medium speed for 2 minutes until the batter is smooth and fluffy.
  5. Step 5: Pour the batter into the prepared baking pan and spread evenly with a spatula.
  6. Step 6: Bake for 35-40 minutes until a toothpick inserted in the center comes out clean and the edges are lightly golden.
  7. Step 7: Let the cake cool completely in the pan before frosting or serving.

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