Tuna Fish Pie

Ingredients

• 4 tbsp. butter
• 1 slice onion, minced
• 4 tbsp. flour
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 1 3/4 c. boiling water
• 1 crushed bouillon cube
• 1/2 c. lowfat milk
• 1 can tuna fish, cut up
• 1/2 to 1 c. corn or possibly peas
• 1 c. celery
• 1 c. cooked, diced potato
• 3 hard boiled Large eggs, cut up