01 -
Preheat the oven to 375°F and grease a 9 by 13-inch baking dish with nonstick spray or butter.
02 -
Pour melted butter into the prepared baking dish, then add the cut cinnamon roll pieces and distribute them evenly.
03 -
In a separate bowl, whisk together eggs, milk, vanilla, cinnamon, and maple syrup until fully combined.
04 -
Gently pour the custard mixture over the cinnamon rolls, ensuring even coverage.
05 -
Transfer the dish to the oven and bake for 25 to 30 minutes, or until the center is set and the top is golden brown.
06 -
Remove from the oven and immediately drizzle the reserved icing over the warm casserole before serving.