Chocolate Sour Cream Bundt Cake

Ingredients

• 1 cup unsalted butter, plus more for the pan
• 1/3 cup cocoa powder
• 1 teaspoon kosher salt
• 1 cup water
• 2 cups all-purpose gold medal flour, plus more for the pan
• 1 3/4 cups granulated sugar
• 1 1/2 teaspoons baking soda
• 1/4 teaspoon salt
• 2 large eggs
• 1/2 cup sour cream (or greek yogurt)
• 1 teaspoon pure vanilla extract
• 4 ounces bittersweet chocolate, finely chopped
• 1 1/2 tablespoons corn syrup (or agave nectar)
• 1/2 cup heavy cream
• 1 1/2 tablespoons granulated sugar