1 (8 oz.) box macaroni
3/4 lb. Cheddar cheese, grated
1 can Cheddar cheese soup
1 lg. can evaporated milk
1 c. regular milk
1 egg, beaten
1 stick butter

Cook macaroni as directed on box. Drain. Add all cheese, except 1/2 cup. Mix together rest of ingredients and add to macaroni and cheese. Spray crock pot with Pam and put macaroni mixture in crock pot. Cook 30 minutes on high; turn to low and cook about 2 hours. Sprinkle top with remainder of cheese for last 30 minutes of cooking time.