Cracker Barrel Coca Cola Cake (Copycat)

Ingredients

• 1 cup Coca-Cola
• 1/2 cup vegetable oil
• 1/2 cup 1 stick salted butter
• 1/3 cup cocoa powder (unsweetened)
• 2 cups granulated sugar
• 2 cups all-purpose flour
• 2 large eggs
• 1/2 cup buttermilk
• 1 tsp baking soda
• 2 tsp vanilla extract
• 1/4 cup unsweetened cocoa powder
• 1/4 cup Coca-Cola
• 3 cups powdered sugar
• 1 tsp vanilla extract