1 (8 oz.) box macaroni, cooked and drained
1 can Cheddar cheese soup
1 lg. can evaporated milk
1 c. regular milk
2 c. grated Cheddar cheese
1 stick melted butter
1 egg

Mix all ingredients and put in crock pot. Cook on high for 30 minutes. Then cook on low for 2 hours. In last 15 minutes, add 1 cup grated cheese on top. Delicious!