Luxurious Four-Cheese Macaroni & Cheese

Ingredients

• 1 medium onion, finely diced (about 1 cup)
• ¼ tsp. Tabasco sauce; more to taste
• 3 cups whole milk
• 5 oz. Gruyère, coarsely grated (about 1-¾ cups lightly packed)
• 2-½ oz. Parmigiano Reggiano, freshly grated (scant 1 cup)
• 8 oz. blue cheese (I like Maytag Blue), crumbled (about 2 cups)
• 11 oz. Monterey Jack, cut into ½-inch dice (2 cups)
• + 10 more ingredients
• • 1 Tbs. finely grated lemon zest
  • 1 lb. dried penne rigate pasta
  • 2 Tbs. fresh thyme leaves
  • ¾ cup fresh breadcrumbs
  • 4 Tbs. unsalted butter
  • ¼ cup all-purpose flour
  • Kosher salt and freshly ground black pepper
  • Pinch freshly grated nutmeg
  • ½ cup chopped fresh flat-leaf parsley
  • 1 bay leaf

Heat the oven to 350°F. Put a large pot of well-salted water on to boil. Meanwhile, heat the milk in a small saucepan over medium-low heat to just below a simmer, stirring often to prevent scorching. Remove from the heat and cover to keep hot. Melt the butter in a medium saucepan over medium-low...

View full recipe at Fine Cooking