Kahlua Orange Nut Cake

This is a sophisticated tube cake that pairs three flavors that don’t seem like they’d play together but absolutely do: coffee Kahlua, bright orange, and earthy walnuts. The result is a layered flavor profile somewhere between a tiramisu and an old-fashioned bundt cake.

The walnut crumb crust pressed into the tube pan is the architectural genius here. It bakes onto the cake’s exterior, giving every slice a textured nutty edge that contrasts beautifully against the soft cake interior. Don’t skip the bread crumbs in the crust mix. They bind the nuts and butter into a cohesive layer instead of a crumbly mess.

The Kahlua appears in three places: a quarter cup with cream in the batter, two tablespoons brushed on the warm cake to soak in, and another tablespoon in the glaze. This layered approach is what gives the finished cake its deep coffee perfume in every bite without making it overwhelmingly boozy.

Grate fresh orange zest and use the juice from the same fruit. Bottled orange juice tastes flat and zest from a tired old orange will be bitter. Two tablespoons of zest is a lot but it’s exactly what this cake needs to balance the rich Kahlua.

Baking on the rack below center is intentional. The lower position keeps the bottom from over-browning before the deep tube center cooks through.

Pro Tips

• Use vegetable shortening as written. Butter would change the texture significantly. The shortening keeps the crumb soft and tender.
• Brush the warm cake slowly with the Kahlua so it absorbs evenly rather than running off the sides.
• Cool completely before glazing. Warm cake melts the glaze into transparent stripes instead of the white drizzle you want.
• Garnish with toasted walnuts and fine strips of orange zest before serving.

Variations

• Substitute pecans or hazelnuts for the walnut crust.
• Swap Kahlua for Tia Maria, Frangelico, or Grand Marnier for different liqueur notes.
• Serve slices with a small scoop of coffee ice cream for a dessert plate.