A cozy, hands-off breakfast casserole made by soaking cinnamon rolls in a cinnamon-spiced custard overnight and baking to a golden, custardy perfection.
Do not skip the overnight soak to avoid doughy centers. Use cinnamon rolls with or without icing; make your own glaze for better sweetness control. Butter the dish well to prevent sticking and add richness. Check oven around 40 minutes if it runs hot to prevent over-browning. For a fluffier texture, let cinnamon rolls thaw fully before cutting.
Keywords: cinnamon roll casserole, overnight casserole, french toast casserole, easy breakfast, cinnamon roll recipe, make ahead breakfast