Easy Cheesy Pasta and Ham

Ingredients
1 (6 oz) box rotini pasta, uncooked
2½ cups milk
¼ cup butter
¼ cup flour
1½ cup mild cheddar cheese, grated
¼ teaspoon salt
¼ teaspoon ground black pepper
2 cups ham, cubed

Instructions
Spray 13×9 pan with nonstick spray, set aside.
Cook the pasta according to directions on the box, drain and return to pan
Grate the cheese, reserving ¼ cup and cut the ham
Warm the milk in the microwave, set aside
In a large skillet, melt the butter, add the flour and whisk for one minute
Slowly add the milk, whisk constantly.
Turn the heat up to medium and stir until thickened
Slowly add the cheese, whisk until melted after each addition
Season the sauce with salt and pepper
Stir ham and cheese sauce into the pasta, mix well
Transfer to baking dish and spread evenly
Sprinkle with reserved cheese
Bake at 350 degrees for about 20-30 minutes or until bubbly