Marble Bundt Cake

===INGREDIENTS===
====CAKE====
*1 cup butter (at room temperature)1 cup butter (at room temperature)
*2 ½ cups granulated sugar2 ½ cups granulated sugar
*1 tablespoon + 1 teaspoon vanilla extract (divided)1 tablespoon + 1 teaspoon vanilla extract (divided)
*4 large eggs (at room temperature)4 large eggs (at room temperature)
*1 cup buttermilk1 (at room temperature)1 cup buttermilk1 (at room temperature)
*3 cups cake flour23 cups cake flour2
*2 teaspoons baking powder2 teaspoons baking powder
*1/2 teaspoon salt1/2 teaspoon salt
====CHOCOLATE SWIRL====
*2/3 cup unsweetened cocoa powder2/3 cup unsweetened cocoa powder
*1/2 cup milk3 (at room temperature)1/2 cup milk3 (at room temperature)
===INSTRUCTIONS===
*Preheat oven to 350 F. Grease and flour a 12-cup Bundt pan. Set aside. 
*In the bowl of a stand mixer fitted with a paddle attachment (or with an electric mixer), beat together butter and sugar until well-combined.
*Add eggs one at time, mixing well after each addition.
*Stir in 1 tablespoon vanilla until combined.
*Mix in buttermilk until well-combined. 
*Add cake flour, baking powder, and salt.
*Stir in on low just until incorporated.
*Scoop out 2 ½ cups of the batter, and place it into a separate bowl.
*Stir cocoa powder and milk into the 2 ½ cups of batter until well-combined.
*Add remaining 1 teaspoon of vanilla extract to original batter.
*Using a 1/4-cup measuring cup, drop one scoop of plain batter into prepared bundt pan.
*Using a separate scoop, drop 1/4 cup of chocolate batter on top of plain batter.
*Continue to alternate between plain and chocolate batters until both batters are gone.
*Give the pan a couple of taps to level out the batter, if necessary. Do not stir.
*Bake for 50-70 minutes, or until a wooden toothpick inserted into the center comes out clean.
*Cool cake in the pan on a wire rack for 15 minutes.
*Invert the cake onto wire rack, and cool completely.
Category:Bundt cake Recipes
Category:Butter Recipes
Category:White Sugar Recipes
Category:Vanilla extract Recipes
Category:Egg Recipes
Category:Buttermilk Recipes
Category:Cake flour Recipes
Category:Chili powder Recipes
Category:Kosher salt Recipes
Category:Milk and cream Recipes