Discover the cozy comfort of a Mushroom Swiss Burger Casserole, a delightful blend of classic burger flavors with creamy Swiss cheese and earthy mushrooms. This hearty dish is perfect for family gatherings or weeknight dinners, evoking warm memories and togetherness. With step-by-step instructions and key ingredient highlights, this casserole is not only satisfying but also versatile. Make it a staple in your recipe collection to enjoy its rich, indulgent taste and comforting charm.
1 pound ground beef (preferably 80/20 for flavor)
1 medium onion, chopped
3 cloves garlic, minced
8 ounces sliced mushrooms (button or cremini work well)
1 teaspoon Worcestershire sauce
1 teaspoon Dijon mustard
Salt and pepper, to taste
8 ounces cooked pasta (like penne or rotini)
2 cups shredded Swiss cheese, divided
1 cup beef broth
1 cup heavy cream
½ cup breadcrumbs (preferably seasoned)
Fresh parsley, chopped (for garnish)