I needed something quick and cheap to fix. Came up with this. And, what do you know, it got a thumbs-up from the family.
1 box Kraft macaroni cheese and all the ingredients called for on the box and the cheese packet in the box
1 cup of frozen chopped spinach, thawed
1 cup milk mixed with 1 tsp cornstarch
1 cup parmesan cheese
1 tsp minced garlic
1 tsp salt
Barely cook the macaroni (less than al dente). Drain the water. Mix in all the ingredients. Bring to a gentle boil. Pour into greased casserole dish. Bake 30 minute in 350 degrees.