- 2 1/4 cups all purpose flour
- 1 teaspoon baking powder
- 3/4 teaspoon coarse kosher salt
- 1/4 teaspoon baking soda
- 1/2 cup sour cream
- 1/2 cup whole milk
- 1/4 cup unsweetened cocoa powder
- 1/4 cup honey
- 2 tablespoons boiling water
- 3/4 cup sugar
- 1/2 cup (1 stick) unsalted butter, room temperature
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/2 cup mini semisweet chocolate chips
- Position rack in center of oven; preheat to 350°F. Butter and flour 9x5x3-inch loaf pan, tapping out any excess flour.
- Whisk flour, baking powder, coarse salt, and baking soda in medium bowl. Whisk sour cream and milk in small bowl.
- Sift cocoa powder into another small bowl. Whisk in honey and 2 tablespoons boiling water until smooth. Cool completely.
- Using electric mixer, beat sugar and butter in another medium bowl until light and fluffy, about 3 minutes. Beat in eggs 1 at a time, occasionally scraping down sides of bowl. Beat in vanilla. Add cocoa mixture; stir until smooth, occasionally scraping down bowl. Beat in flour mixture alternately with sour cream mixture in 2 additions each until just blended. Stir in chocolate chips.
- Transfer batter to prepared pan; smooth top. Bake until tester inserted into center comes out clean, about 1 hour 8 minutes. Remove cake from pan and cool.