Bake until the edges of the cake spring back when lightly pressed, 30 to 35 minutes. Cool in the pan for 30 minutes, then remove the pan sides. Serve dusted with cocoa powder.

Serves 6 generously. Kladdkaka in Swedish means ''sticky cake,'' and this simple chocolate round is a breeze to put together, even for novice bakers.

Its origins are unclear, but most sources suggest that kladdkaka crashed onto the Swedish cake scene sometime in the mid-1970s and it has been a popular treat ever since.

SWEDISH “STICKY” CHOCOLATE CAKE. This gooey-centered chocolate cake, a popular sweet in Sweden, is called kladdkaka, which translates as “sticky cake.” ...

If your ideal chocolate dessert is dense, impossibly rich and almost like an underbaked brownie, meet your new love: this recipe for kladdkaka, or Swedish chocolate cake, from Sofia Nordgren’s ...

“From bowl to table it is done in about 30 minutes,” Ortiz says of the recipe based on the Swedish chocolate cake called kladdkaka. “And the skills you need to make it are minimal. ...

I baked the cake in two heart-shaped pans, rather than the two 8-by-2-inch round cake pans the recipe calls for, and that's where I went "wrong." ...