Macaroni and Cheese | Canadian Living

Ingredients

• 3 tablespoons butter
• 1 onion chopped
• 3 fresh thyme sprigs
• 1 clove garlic minced
• 2 cups mushrooms halved
• 3 tablespoons all-purpose flour
• 2 1/2 cups milk
• 2 teaspoons Dijon mustard
• 1/2 teaspoon each salt and pepper
• 2 1/2 cups old Cheddar cheese shredded
• 3 cups macaroni
• 1/2 cup fresh bread crumbs
• 1/3 cup grated parmesan cheese