Honeybun Cake (From-Scratch)

Name: Honeybun Cake (From-Scratch)
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American, Southern
Ingredients: 2 cups all-purpose flour; 1 teaspoon baking soda; 1 teaspoon baking powder; ½ teaspoon salt; 1 cup unsalted butter (2 sticks), room temperature; 1½ cups granulated sugar; 2 eggs, room temperature; 2 egg yolks, room temperature; 2 teaspoons vanilla extract; 1 cup buttermilk; 2/3 cup light brown sugar, packed; 2 tablespoons granulated sugar; 1 tablespoon cinnamon; 2 cups powdered sugar sifted; 2 tablespoons butter, melted; 1 teaspoon light colored honey; 1 teaspoon vanilla extract; 3-4 tablespoons milk; salt, pinch