Preheat oven to 350°F and grease an 8x8 baking dish
Add bread cubes, sausage, and cheese to the dish
In a bowl, whisk eggs, milk, maple syrup, salt, and pepper
Pour mixture evenly over casserole
Gently toss/stir slightly so the bread is coated
Bake 35–40 minutes, until the center is set and the top is lightly golden
Let cool 10 minutes before serving