Summer Celebration Chocolate Cake

Summer celebration chocolate cake is the sheet cake you actually want at the picnic. Moist, chocolatey, feeds 18, and travels in its own pan. The clever trick here is subbing applesauce for half the oil, which keeps the cake tender and lower in fat while adding a whisper of fruit sweetness you can’t quite identify. Buttermilk reacts with the baking soda for a beautiful tender crumb, and hot water (added last) dissolves the cocoa into that rich, deep-chocolate flavor.

Notice what’s missing: eggs. This is essentially a wacky cake or depression cake built around buttermilk and applesauce for binding. That makes it perfect for anyone with egg allergies without announcing itself as “special diet." The quick chocolate frosting whips up in one bowl with boiling water, giving you a silky glaze-like spread that sets with a slight sheen when cooled.

Pro Tips

• Add the hot water LAST, as directed. Hot water blooms the cocoa’s flavor and smooths any lumps in the batter. Adding it earlier can cook the baking soda prematurely.
• Cool cake completely in the pan before frosting. Warm cake melts the frosting into a puddle.
• Make the frosting just before spreading. Too long on the counter and it firms up too much to spread smoothly.
• Use natural cocoa powder, not Dutch-processed, since the recipe relies on acidic buttermilk and cocoa to react with baking soda for rise.

Variations

• Add a teaspoon of instant espresso powder to the dry ingredients to deepen the chocolate flavor without adding coffee taste.
• Top with a sprinkle of flaky sea salt on the frosting for a trendy salted-chocolate finish.
• Fold a cup of mini chocolate chips into the batter for melted chocolate pockets throughout.