1 Tbs olive oil
1/2 c shopped onion
3/4 c chopped celery
1 1/2 c chopped carrots
1 1/2 c chopped potatoes
3/4 tsp salt
1/4 tsp black pepper
5 Tbs butter
1/2 c flour
2 c chicken broth
2 c milk
1 c cooked, diced chicken or 1 can of chicken
3/4 c frozen peas
1 unbaked pie crust or biscuits
In medium sauce pan, add oil, veggies and salt and pepper. Cook for 1-2 minutes over medium heat stirring often. Cover with a lid and cook until vegetables.. are lightly steamed and mostly tender, 5-7 minutes. Check and stir every couple of minutes. add a couple TBS of water or broth if the mixture is overly dry. Scrape veggies into a 9x13 pan.
Preheat oven to 400 degrees.
Return the pot to the burner and melt the butter. Then add flour and stir, cooking for a minute or two. Gradually add broth and milk until incorporated. Bring to a simmer stirring constantly and cook until thickened, 5-7 minutes.
Add chopped chicken and peas to the veggies in the baking dish and pour sauce over all, mixing thoroughly. Taste and add additional salt if needed. Top with biscuits or pie crust.
Bake for 30-35 minutes.