4 | slices | Bacon |
1/4 | C | Chopped onion |
1 | 4 oz. can | Mushroom pieces drained & finely chopped |
1 | lb | Lean ground beef |
1 | lb | Bulk pork sausage |
1/4 | C | Grated Parmesan cheese |
1/2 | tsp | Pepper |
1/4 | tsp | Garlic powder |
2 | tbsp | Steak sauce |
8 | Hamburger buns, split & toasted | |
Leaf lettuce, optional |