Cake Recipe for 50 People: The Ultimate Crowd-Pleasing Vanilla Sheet Cake

Why You’ll Love This Large-Batch Vanilla Sheet Cake

Planning a big celebration? Whether it’s a family reunion, office party, or community event, feeding 50 people can feel overwhelming. This foolproof vanilla sheet cake recipe takes the stress out of large-scale baking. You’ll get a moist, fluffy cake that’s simple to make, budget-friendly, and guaranteed to please every palate. The best part? It bakes in standard sheet pans you probably already own, and the straightforward vanilla flavor serves as the perfect canvas for any frosting or decoration you choose.

Table of Contents

This recipe has been tested countless times for church potlucks and school events, so you can trust it will work beautifully for your crowd. No complicated techniques or fancy equipment required—just reliable ingredients and clear instructions that even nervous bakers can follow with confidence.

Quick Info Table

Prep Time	Cook Time	Total Time	Servings	Difficulty
20 mins	35 mins	55 mins	50	Easy

What You’ll Need

For the Cake:

All-purpose flour: 6 cups (720g)
Granulated sugar: 4 cups (800g)
Baking powder: 3 tablespoons
Salt: 2 teaspoons
Unsalted butter: 1 cup (2 sticks), softened
Vegetable oil: ½ cup
Large eggs: 6 eggs, room temperature
Whole milk: 2 cups, room temperature
Vanilla extract: 2 tablespoons
Hot water: 1 cup

For Basic Vanilla Buttercream:

Unsalted butter: 1 cup (2 sticks), softened
Powdered sugar: 4 cups, sifted
Vanilla extract: 2 teaspoons
Heavy cream or milk: 3-4 tablespoons
Salt: Pinch

Substitution Notes:

Dairy-free: Replace butter with vegan butter, milk with oat milk
Egg-free: Use 6 tablespoons ground flaxseed mixed with 18 tablespoons water
Gluten-free: Substitute with 1:1 gluten-free flour blend

Step-by-Step Directions

Preheat and prep your pans. Set oven to 350°F (175°C). Grease two 18×13-inch half-sheet pans (or one full sheet pan) with butter or cooking spray. Line with parchment paper, leaving overhang for easy removal.
Mix dry ingredients. In a large bowl, whisk together flour, sugar, baking powder, and salt until well combined. This ensures even distribution of leavening agents.
Cream butter and oil. Using a stand mixer or large hand mixer, beat softened butter and vegetable oil together for 2-3 minutes until light and fluffy. The combination of butter and oil creates the perfect texture—butter for flavor, oil for moisture.
Add eggs one at a time. Beat in eggs one by one, mixing well after each addition. Scrape down bowl sides as needed. The mixture should look smooth and creamy.
Incorporate vanilla. Mix in vanilla extract until evenly distributed.
Alternate wet and dry ingredients. Add flour mixture in three additions, alternating with milk in two additions. Start and end with flour. Mix just until combined—overmixing leads to tough cake.

Pro Tip: Room temperature ingredients mix more easily and create a smoother batter. Take eggs and milk out 30 minutes before baking.

Add hot water gradually. Slowly stir in hot water until batter is smooth. The batter will be thin—this is normal and creates an incredibly moist cake.
Divide and bake. Pour batter evenly between prepared pans. Bake for 30-35 minutes, or until a toothpick inserted in center comes out with just a few moist crumbs.
Cool completely. Let cakes cool in pans for 15 minutes, then turn out onto wire racks. Cool completely before frosting—warm cake will melt your frosting.
Make buttercream. Beat butter until fluffy, gradually add powdered sugar, then vanilla, cream, and salt. Beat until smooth and spreadable.
Frost and serve. Spread frosting evenly over cooled cake. Cut into squares and serve.

How to Serve

This vanilla sheet cake is incredibly versatile. Serve it simply dusted with powdered sugar for a casual gathering, or dress it up with colorful buttercream flowers for a birthday celebration. Cut into 2×3-inch squares for generous portions, or smaller 2×2-inch pieces if serving alongside other desserts.

Perfect pairings include:

Fresh berries and whipped cream
A scoop of vanilla ice cream
Coffee or punch for beverages
Chocolate sauce drizzle for extra indulgence

Presentation ideas:

Pipe buttercream borders for a professional look
Add fresh flowers (food-safe varieties only)
Sprinkle with colorful sprinkles or toasted coconut
Create a simple ombre effect with different frosting shades

Expert Tips for Success

Storage: Unfrosted cake stays fresh for 3 days at room temperature when wrapped tightly. Frosted cake keeps for 2 days covered at room temperature, or 5 days refrigerated. Bring to room temperature before serving.

Make-ahead strategy: Bake cakes up to 2 days ahead and wrap tightly. Freeze unfrosted cake layers for up to 3 months. Thaw overnight before frosting.

Scaling adjustments: This recipe works perfectly as written, but if you need slightly less cake, use 1½ times a standard cake recipe. For 75 people, make 1.5 batches.

Flavor variations:

Chocolate: Replace 1 cup flour with cocoa powder, add extra ½ cup sugar
Lemon: Add 2 tablespoons lemon zest and replace some milk with lemon juice
Funfetti: Fold in 1 cup rainbow sprinkles at the end

Baker’s Secret: The hot water in this recipe activates the baking powder for extra lift and helps dissolve the sugar completely, creating that perfect tender crumb.

Troubleshooting:

Cake sinks in middle: Oven temperature too high or opened door too early
Dry texture: Overbaked or overmixed batter
Uneven baking: Rotate pans halfway through baking time

Common Questions

Can I use cake mix instead of making from scratch?

Yes, but you’ll need about 6 boxes of standard cake mix plus additional eggs, oil, and water as directed on packages. However, this homemade version costs less and tastes much better.

What if I don’t have sheet pans big enough?

Use multiple smaller pans—three 9×13-inch pans work perfectly. Adjust baking time to 25-30 minutes and check with a toothpick.

How do I transport this cake safely?

Keep cake in the baking pan and cover tightly with foil or plastic wrap. If you must remove it, use a large cutting board or invest in a cake carrier designed for sheet cakes.

Can I make this cake dairy-free?

Absolutely! Replace butter with vegan butter sticks and use oat milk or almond milk instead of dairy milk. The texture will be slightly different but still delicious.

How far in advance can I make this cake?

Bake the cake layers up to 2 days ahead and store wrapped at room temperature. For longer storage, freeze unfrosted layers for up to 3 months. Frost the day of serving for best results.

Final Thoughts

This vanilla sheet cake recipe is your secret weapon for stress-free entertaining. With its foolproof method and crowd-pleasing flavor, you’ll have 50 happy guests and plenty of compliments. The moist, tender crumb and simple preparation make it perfect for both experienced bakers and nervous beginners tackling their first large-batch dessert.

Remember, baking for a crowd doesn’t have to be complicated. This recipe proves that sometimes the simplest approaches yield the most satisfying results. Whether you’re celebrating a milestone birthday, hosting a community event, or just want to show love through homemade cake, this recipe delivers every time. Get ready to become the designated cake baker for every future gathering—this recipe is just that good!