In a large saucepan or your favorite pasta pot, boil macaroni according to package directions. Drain.

Pour macaroni into large mixing bowl. Add stick of butter, eggs and season with salt and pepper. Stir with big spoon until well blended. Set aside.

Wash and dry same saucepan used for macaroni. On medium-high heat, melt Velveeta cheese, cheddar cheese and cream cheese together, stirring constantly. Add milk and continue to stir until all ingredients are melted together. Stir in yellow mustard. Remove from heat.

Pour cheese mixture in the large bowl over the macaroni. Stir well. Pour mixture into prepared dish.

Bake at 350°F for 20 minutes.

Submitted by: Kristin