If you’ve never known the glory of a mayonnaise cake, you’re in for a treat!

The Southern pantry staple ingredient yields an ultra-moist and tender cake.

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chocolate-mayonnaise sheet cake

Credit:Caitlin Bensel; Food Stylist: Torie Cox

Cover the cake pan with plastic wrap, and store up to one week.

Whisk together flour and next 5 ingredients in a medium bowl.

Prepare pan:

Grease (with shortening) and flour a 13- x 9-inch pan.

ingredients for chocolate mayonnaise sheet cake

Credit:Caitlin Bensel; Food Stylist: Torie Cox

Add mayonnaise, and beat at low speed until combined.

Add flour mixture to egg mixture alternately with hot water, beginning and ending with flour mixture.

Beat at low speed just until blended after each addition.

chocolate mayonnaise sheet cake

Credit:Caitlin Bensel; Food Stylist: Torie Cox

Bake cake:

Pour batter into prepared pan.

Bake at 350F for 30 to 35 minutes or until a wooden pick inserted in center comes out clean.

Cool completely on a wire rack (about 1 hour).

whisking dry ingredients together

Credit:Caitlin Bensel; Food Stylist: Torie Cox

Spread Chocolate-Cream Cheese Frosting on cake.

Frequently Asked Questions

Mayonnaise replaces oil and eggs in a mayonnaise cake.

cake pan covered with shortening

Credit:Caitlin Bensel; Food Stylist: Torie Cox

cake batter in stand mixer

Credit:Caitlin Bensel; Food Stylist: Torie Cox

adding flour to batter in stand mixer

Credit:Caitlin Bensel; Food Stylist: Torie Cox

chocolate batter in mixing bowl

Credit:Caitlin Bensel; Food Stylist: Torie Cox

chocolate cake batter in a pan

Credit:Caitlin Bensel; Food Stylist: Torie Cox

baked chocolate cake in a 9x13 pan

Credit:Caitlin Bensel; Food Stylist: Torie Cox

chocolate cake with frosting being spread

Credit:Caitlin Bensel; Food Stylist: Torie Cox