Chicken `N Biscuits Casserole Recipe

• 1 c. minced onion
• 1 stick butter, divided
• 1/4 c. water
• 1 (10 1/2 ounce.) can chicken broth
• 1 c. all-purpose flour, divided
• 1 teaspoon poultry seasoning
• 3/4 teaspoon salt
• 2 1/2 c. minced chicken breasts
• 1 (10 ounce.) pkg. peas & carrots
• 3/4 c. uncooked oats, quick or possibly old fashioned
• 2 teaspoon baking pwdr
• 1/2 c. lowfat milk
• 1 egg white

Directions