A deeply flavored cake needing only a light dusting of powdered sugar for garnish.
Preheat the oven to 350°F. Coat an 8-inch round cake pan with cooking spray and line the bottom with a round of parchment paper.
Whisk together in a large bowl:
Whisk together in a medium bowl until smooth:
Fold the orange juice mixture into the flour mixture just until combined. Scrape the batter into the prepared pan. Bake until a toothpick inserted into the center comes out clean, 35 to 40 minutes.
Let cool in the pan on a rack for 10 minutes. Slide a thin knife around the cake, invert it, peel off the parchment paper, and turn the cake right side up on the rack to cool completely. Dust with: