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Sticky-Rich Chocolate Cake

Deeply chocolatey, this simple cake is inspired by kladdkaka—a brownie-like treat popular in Sweden.

When it comes to chocolate desserts, often the fudgier, the better. But achieving that perfect texture can be surprisingly tricky.

So for a lesson in baking up perfectly gooey chocolate cakes, we looked to Sweden, where a sta­ple of afternoon fika—or coffee break—is kladd­ kaka, or “sticky cake.” The brownie­like treat balances crisp edges with a soft interior just shy of molten. Equally appealing is its simplicity, calling for just a handful of ingredients that need little more than a good stir before going into the oven

The only trick? Mastering how long to bake it. Underbake it, and the cake will be runny; over­ bake it, and it will be unpleasantly dry. So we set out to create a version of kladdkaka that bakes up flawlessly gooey every time.

We started by adjusting the ratio of ingredi­ents in the batter. Reducing the amount of flour and cocoa powder while adding more eggs and butter went a long way to ensuring we got the fin­ished texture we wanted. Next, we tweaked our baking strategy: While recipes for kladdkaka often call for cranking up the oven and baking the cake for just a few minutes, we found that the opposite approach—cooking the cake at a rela­tively low 325°F for a full 30 minutes—gave us bet­ter control over the texture.

After that, it was simply a matter of fine­tuning the flavors. Browning the butter gave the recipe depth, while replacing white sugar with brown added complex, caramel notes without increasing the already-­svelte ingredient list.

With that, we’d found the formula for a simple chocolate cake that’s easy, elegant and—most importantly—reliably gooey.

Flavored Whipped Creams

Plain whipped cream is fine, but a cake this rich begs for a topping spiked with bright, balancing flavors. And making those tweaks to your typical whipped topping is easy. Try a TANGY DAIRY variation by mixing 1 cup heavy cream, 1⁄4 cup Greek yogurt or sour cream and 11⁄2 tablespoons powdered sugar until uniform and frothy, then whip until soft peaks form. ALTERNATIVE SUGARS also are an option: Mix 1 cup heavy cream and 1 tablespoon light brown sugar until smooth, then whip until soft peaks form. Or better yet, something BOOZY: Mix 1 cup heavy cream, 11⁄2 tablespoons powdered sugar and 1 teaspoon kirsch or orange liqueur until uniform, then whip as usual.