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Easy Budget-Friendly Sheet Cake Recipe for Large Gatherings Perfect for Parties

easy budget-friendly sheet cake - featured image

A moist, chocolatey sheet cake made with pantry staples, perfect for feeding large groups quickly and affordably. This crowd-pleaser is simple to make and ideal for parties and gatherings.

Ingredients

Scale
  • 2 ½ cups all-purpose flour (315 g)
  • 2 cups granulated sugar (400 g)
  • ¾ cup unsweetened cocoa powder (75 g)
  • 1 ½ teaspoons baking soda
  • 1 teaspoon baking powder
  • 1 teaspoon salt
  • 2 large eggs, room temperature
  • 1 cup buttermilk (240 ml) (or 1 cup milk + 1 tbsp vinegar)
  • ½ cup vegetable oil (120 ml)
  • 2 teaspoons vanilla extract
  • 1 cup boiling water (240 ml)
  • ½ cup butter, softened (115 g)
  • 3 cups powdered sugar (375 g)
  • ½ cup unsweetened cocoa powder (50 g)
  • 1 teaspoon vanilla extract
  • 34 tablespoons milk (4560 ml)

Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13-inch sheet pan with butter or non-stick spray.
  2. In a large bowl, whisk together flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt until combined.
  3. In a separate bowl, beat eggs with buttermilk, vegetable oil, and vanilla extract until blended.
  4. Slowly add wet ingredients to dry ingredients, stirring gently just until combined.
  5. Carefully pour in boiling water, stirring continuously until batter is smooth and thin.
  6. Pour batter evenly into prepared pan and bake for 30 to 35 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs.
  7. Remove cake from oven and cool completely on a cooling rack (about 60 minutes).
  8. To make frosting, beat softened butter until creamy. Gradually add powdered sugar and cocoa powder, mixing well.
  9. Stir in vanilla extract and milk little by little until frosting reaches a smooth, spreadable consistency.
  10. Spread frosting evenly over cooled cake and slice into generous squares to serve.

Notes

Use room temperature eggs for better texture. Measure flour correctly by spooning and leveling. Avoid overmixing the batter. Check doneness starting at 30 minutes. Let cake cool completely before frosting to prevent melting. An offset spatula helps spread frosting evenly. For dairy-free, substitute buttermilk and butter accordingly. For gluten-free, use a gluten-free flour blend.

Nutrition

Keywords: sheet cake, chocolate cake, budget-friendly dessert, party cake, easy cake recipe, large gatherings, crowd-pleaser