Sugar-Free French Toast Casserole

Preheat oven to 350 degrees F (175 degrees C). Spray a 9x13-inch baking dish with cooking spray.

Line bottom of prepared baking dish with bread cubes. Beat eggs milk 2 tablespoons sweetener 1 teaspoon cinnamon and vanilla extract together in a bowl; pour mixture over bread cubes. Let stand 10 minutes (or refrigerate up to overnight if desired).

Combine remaining 2 tablespoons sweetener with remaining 1 teaspoon cinnamon; sprinkle mixture over the casserole.

Bake in the preheated oven until casserole is set and topping is crunchy 30 to 40 minutes.