Best Ever Cinnamon Buns

Ingredients (13)

• ✓ 2 (.25 ounce) packages active dry yeast
• + 2 ½ cups warm water (110 degrees F) add to pantry
• + 1 (18.25 ounce) package yellow cake mix add to pantry
• ✓ 6 cups all-purpose flour, divided
• + 3 eggs add to pantry
• + ⅓ cup vegetable oil add to pantry
• + 1 ½ teaspoons salt add to pantry
• + ½ cup butter, softened add to pantry
• + 4 tablespoons white sugar add to pantry
• + 2 tablespoons ground cinnamon add to pantry
• ✓ 3 cups confectioners' sugar
• + 1 ½ teaspoons vanilla extract add to pantry
• + ⅔ cup milk add to pantry