Macaroni and Cheese

Ingredients

• 1) Elbow macaroni - 4 cups (1 pound)
• 2) Unsalted butter - 5 tablespoons
• 3) Milk - 4 cups -
• 4) Medium onion - stuck with 1 clove
• 5) Cloves garlic – 4 nos.
• 6) Bay leaf – 1 no.
• 7) Sprigs fresh thyme - 3 nos.
• 8) Dry mustard - 1 teaspoon.
• 9) All-purpose flour - 2 tablespoons
• 10) Grated Cheddar - 2 cups (plus 1 cup in big chunks)
• 11) Grated Parmesan - 1/2 cup
• 12) Kosher salt – to taste
• 13) Black pepper (Freshly ground) – to taste.