A cheesy mac and cheese treat!
Preheat oven at 380 deg C.
Butter a 9x12 inches baking dish and place in cooked pasta. Set aside.
Heat butter in a saucepan over medium heat until melted. Add flour and seasoned salt. Stir until mixed and start to sizzle a bit.
Add milk and keep stirring until thick. Stir in 1.5 cups cheese. Turn off heat. Continue stirring until cheese is completely melted.
Pour the cheese mixture over cooked pasta and stir to mix. Spread on the baking dish evenly. Sprinkle 1c cheese evenly. Bake for 12 minutes or until it bubbles, then switch to broil setting and broil for 5 minutes or until cheese is golden brown.