Mom's Mac n cheese

1-1/2 C. elbow macaroni

1 1/2 c milk

salt and pepper

2 C sharp cheddar cheese

1/4 Cube of butter

2 TB flour

Boil Macaroni according to directions, drain.

Sauce:

Melt butter in a heavy sauce pan  at medium heat.  Add flour and whisk.  Cook for 30 seconds. Add a little bit of milk and whisk and slowly keep adding milk a little at a time so it is not so thick.  Turn down heat, (should look like a thick soup) and add salt and pepper and cheese.  Add macaroni and then add additional cheese on top.