Created by dienia b on December 14, 2021
Step 1: Heat butter
Step 2: Add onions
Step 3: Add celery
Step 4: Cook until tender
Step 5: Add flour
Step 6: Add milk
Step 7: Add ham
Step 8: Add the egg yolk tempered in
Step 9: Season to taste
Step 10: Pour into casserole and bake
Step 11: At 325 degrees Fahrenheit for 30 minutes