Because I was only cooking for two, I cut the recipe in half. I DID, however, leave the amount of chicken stock exactly the amount as written (1/2 cup). For all other ingredients I cut the quantity in half, and casserole was cooked in a smaller baking dish.
Italian Sausage & Potato Casserole https://www.thegratefulgirlcooks.com/italian-sausage-potato-casserole/