Preheat your oven to 375°F (190°C). This ensures even baking and a perfectly golden finish.
In a large mixing bowl, whisk together the granulated sugar, ground cinnamon, whole milk, eggs, vanilla extract, and a pinch of salt until well combined.
Slice the Texas toast into thirds to create sticks. You can also use a serrated knife for a clean cut.
Arrange the bread sticks in the baking dish, then pour the custard mixture over them. Allow the bread to soak for at least 10 minutes, turning the sticks occasionally to ensure they are evenly coated.
Drizzle the melted butter over the soaked bread sticks, making sure each piece is coated for a deliciously crispy finish.
Place the baking dish in the preheated oven and bake for 25-30 minutes, or until the sticks are golden brown and slightly puffed.
Remove from the oven, allow to cool slightly, and serve warm with maple syrup for dipping. Enjoy the crispy, custardy goodness!