Cooking Steps
Step 1
Preheat oven to 425˚F (220˚C).
Step 2
Cook pasta in a large pot of boiling salted water according to package directions. Drain in a colander.
Step 3
In a large oven-safe skillet, melt butter and add flour; mix well.
Step 4
Whisk in milk. Simmer until thickened.
Step 5
Gradually mix in 2 cups (500 mL) of cheese so it melts. Season with salt and pepper.
Step 6
Stir in cooked macaroni and mix well until heated through. Spread evenly in the skillet.
Step 7
Garnish with pizza sauce, ham, mushrooms, peppers and remaining cheese.
Step 8
Bake for 15 minutes, then broil for an additional 3 to 5 minutes. Let sit for 5 minutes before slicing pizza.