My uncle brought this to our family cookout and everyone kept going back for seconds. He learned it from his grandpa who made it every Sunday growing up.

5 minutes.
About halfway through baking, open the oven and gently stir the stew, pulling some of the browned edges into the middle. This helps everything cook evenly and keeps the sausage from drying out on top.
When the gravy is thick and glossy and the sausage and vegetables are very tender, remove the pan from the oven. Taste a little of the gravy and add more salt or pepper if needed. Let the stew sit for 5–10 minutes on the counter so it can settle and thicken a bit