01 - Whisk together eggs, milk, sugar, vanilla, cinnamon, and salt in a medium bowl until well combined.
02 - Add bread cubes to the egg mixture and toss gently to coat. Let soak for 2–3 minutes.
03 - Mix together 1/4 cup sugar and 1 teaspoon cinnamon in a small bowl for the coating.
04 - Heat 1 tablespoon butter in a large nonstick skillet over medium heat.
05 - Transfer soaked bread cubes to the skillet using a slotted spoon, arranging in a single layer. Cook for 2–3 minutes per side, turning until all sides are golden brown. Repeat with remaining butter and bread cubes.
06 - Immediately toss the cooked bites in the cinnamon sugar mixture to coat evenly.
07 - Whisk powdered sugar, milk, and vanilla in a small bowl until smooth.
08 - Drizzle glaze over warm French toast bites and serve immediately.