Description

This is comfort food at its best. It's a perfect marriage of mac, cheese and French Onion soup, and makes a perfect, cozy dinner for the holidays.

Ingredients

• 1 lb. raw penne pasta
• 8 T. unsalted butter
• 4 c. yellow onion, sliced into 1/4-inch thick slices, then halved
• 1 t. kosher salt
• 1/2 t. freshly ground black pepper
• 1 T. granulated sugar
• 3 cloves garlic, minced
• 1/4 c. sherry
• 3 T. all-purpose flour
• 3 c. beef broth/stock
• 2 t. fresh thyme, chopped
• 3 c. Swiss cheese, shredded, divided
• 1/4 c. freshly grated parmesan cheese plus more for garnish
• 1/4 c. plain panko breadcrumbs

Steps

1. Bring a large pot of well salted water to a boil. Add pasta; cook to al dente, according to package directions. Drain; set aside.
2. Preheat oven to 375 degrees. Spray a 9 x 13 inch baking dish with non-stick cooking spray; set aside.
3. Add butter to a large skillet over medium high heat; stir in onions, salt and pepper; cook 15 minutes, stirring often. Reduce heat to medium; add sugar and garlic; continue to cook for 10 more minutes;