Step 1

Cook the pasta in boiling salted water until al dente. Rinse in cold water and set aside.

Step 2

In a saucepan over medium heat, melt the salted Butter. Then add the Onion, Dry Mustard, Sea Salt, White Pepper, Nutmeg and Cayenne Pepper. Quickly stir together.

Step 3

Mix in the All-purpose Flour. Cook for about 30 seconds until golden.

Step 4

Gradually whisk in Milk and Heavy Cream. Bring to a boil and whisk occasionally.

Step 5

Bring the heat down to medium-low, and simmer for about 4-5 minutes. Whisk while the texture thickens up.

Step 6

Add in Worcestershire Sauce. Whisk well. Remove from heat.

Step 7

Add in shredded Extra Sharp White Cheddar and Gouda Chili Cheese. Mix well and let the cheese melt.

Step 8

Add in the pasta, diced Extra Sharp White Cheddar and Gouda Chili Cheese. Combine thoroughly.

Step 9

Generously Butter a 19 cm x 28 cm baking dish on the bottom and sides.

Step 10

Pour the Pasta mixture into the baking dish. Spread evenly.

Step 11

Then sprinkle a little shredded Mild Yellow Cheddar evenly on top.

Step 12

Bake in a preheated oven at 350 F (180 C) for 30-35 minutes until the cheese turns golden and bubbly.

Step 13

Remove from oven and let cool on a wire rack for 10-15 minutes. Ready to serve! Enjoy!