Chicken Pot Pie -Freezer Meal

The recipe makes 2.
1 cup chopped onion
1 cup chopped celery
1 cup chopped carrots
1/3 cup butter
1/2 cup flour
2 cups chicken broth
1 cup evaporated milk (or just use 1 soup size can)
4 cups cooked chicken
1 1/2 tsp. salt
1/4 tsp. pepper

Saute onion, celery & carrots in butter. Add flour, stir until smooth. Cook 1 minute, stirring constantly. Add chicken broth and milk and cook until thick and bubbly, stirring constantly. Add chicken, salt and pepper. Divide into two Ziploc freezer bags.

To cook: Spray 8 x 8 pan and pour defrosted chicken mixture into it. Top with shredded cheddar cheese and biscuits. Bake for 35 minutes at 375.
To make biscuits: Mix 1 cup Bisquick, 3 Tbsp milk and 1/4 cup sour cream.