Marsh Cake | Cooking Professionally

Ingredients

• ***For the cake:***
• 2 large eggs
• 1 cup whole or 2% milk
• 1/2 cup sour cream
• 1 cup plus 1 tablespoon vegetable oil, divided
• 2 cups all-purpose flour
• 1 cup light brown sugar, packed
• 1 cup granulated sugar
• 1/2 cup Dutch-processed cocoa powder
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1 tablespoon vanilla extract
• 1/2 teaspoon kosher salt
• 1 (10-ounce) bag marshmallows, about 4 cups
• ***For the frosting:***
• 8 tablespoons unsalted butter
• 1/3 cup whole or 2% milk
• 1/4 cup Dutch-processed cocoa powder
• 2 teaspoons vanilla extract
• 1/4 teaspoon kosher salt
• 2 1/2 cups powdered sugar