If you’re doubling this recipe we strongly suggest that you get yourself one or two of those large, oval foil baking dishes. They’re big enough to accommodate both mixing and baking a double recipe. You can cook the sausage and chop the herbs and veggies the day before. You can actually do all of the steps up to mixing in the stock and eggs the day before.
Preheat your oven to 375 F. Grease a 9×13 casserole dish.
Add the breadcrumbs and chopped smoked oysters to a large mixing bowl.
Cook the sausage in a large skillet over medium heat for 7-10 minutes or until completely browned and cooked through. Using a slotted spoon, add the cooked sausage to the bowl with the bread. Leave rendered fat in the pan.
In the same skillet, melt the butter and add the onions, celery, carrots, apples, garlic, herbs, salt, and pepper. Saute for 8-10 minutes or until the veggies are soft. Pour in the stock or broth and stir well. Pour the mixture over the bread, sausage, and oysters in the bowl. Pour the beaten egg over top. Mix everything together but try not to over-mix. Transfer it into the baking dish. Cover and bake for 30-35 minutes. Uncover and bake for an additional 10-15 minutes if you like the top a bit crunchy. Serve and enjoy!