Tasty Mexican Mac and Cheese

TASTY MEXICAN MAC & CHEESE¼ c. kosher salt1 qt. milk6 T. butter, cut into pieces6 T. flour1 lb. pasta (penne, cavatappi or rotini)1 lb. Mexican chorizo1 T. olive oil1 (8-oz.) pkg. shredded extra-sharp cheddar cheese1 (8-oz.) pkg. shredded Pepper Jack…