| 1 | lb | Smoked sausage, chopped or 1 lb bulk sausage, crumbled |
| 1 | C | Sliced fresh mushrooms |
| 6 | slices | White bread, cut into 1/2" cubes |
| 6 | Eggs | |
| 2 | C (8 oz) | Shredded Cheddar cheese |
| 2 | C | Milk |
| 1 | tsp | Dry mustard |
| 1/4 | tsp | Celery seeds |
| 1 | tsp | Dried whole oregano |
6 to 8 servings