Cookwith - Rumor Swirl Marble Pound Cake

Ingredients

• 1 cup (2 sticks) unsalted butter, at room temperature
• 1 1/4 cups granulated sugar
• 4 large eggs, at room temperature
• 1/2 cup sour cream, at room temperature
• 1 tbsp pure vanilla extract
• 2 cups all-purpose flour
• 1 1/2 tsp baking powder
• 1/2 tsp kosher salt
• 1/4 cup unsweetened cocoa powder (Dutch-process preferred)
• 2 tbsp hot water
• 1/4 cup mini chocolate chips
• Powdered sugar, for dusting (optional)