In a bowl, whisk together the eggs, milk, vanilla extract and cinnamon.
Dip a bread stick into the egg mixture until coated. Repeat process with remaining slices.
In a skillet or griddle, melt one tablespoon of butter over medium heat. Place dipped bread sticks onto griddle and cook for 3-4 minutes on each side until golden bread.
In a bowl, combine the white sugar and cinnamon. As soon as the french toast sticks are done cooking, roll each stick into the cinnamon sugar mixture.
Recipe by Sugar, Spice and Family Life at https://sugarspiceandfamilylife.com/2017/07/cinnamon-sugar-french-toast-sticks-recipe.html