Ham Casserole

Ingredients

• 1/2 c. chopped onion
• 6 Tbsp. flour
• 1/2 tsp. pepper
• 1 c. chicken broth
• 1 pkg. frozen peas, thawed and drained
• 1/2 c. green pepper, chopped
• 6 Tbsp. butter
• 1 1/2 c. milk
• 4 c. cubed ham
• 1 egg, beaten
• 1 c. shredded cheese
• 4 c. mashed potatoes