In a shallow dish, whisk together the eggs, milk, and cinnamon.
Slice the hotdog buns in half lengthwise.
Dip each hotdog bun half into the egg mixture, ensuring that both sides are evenly coated.
In a skillet, melt the butter over medium heat.
Place the coated hotdog buns in the skillet and cook until golden brown on both sides, about 2-3 minutes per side.
Remove the hotdog bun French toast from the skillet and serve with your favourite toppings.
Enjoy your delicious hotdog bun French toast!