Chocolate Marble Bundt Cake – Simmer + Sauce

Ingredients

• 3 tablespoons sugar
• 2 tablespoon instant coffee
• 1 tablespoon unsweetened cocoa powder
• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• 1/2 teaspoons salt
• 1/2 cup unsalted butter, room temperature
• 1 cup sugar
• 2 eggs, room temperature
• 1 cup sour cream
• 2 teaspoons vanilla extract