Lemon Chicken and Rice

I grew up eating this and I still love it.

Sauce
1/4 c butter or margarine
1/4 c flour
1 c milk
1 c water and chicken bullion (or chicken broth)
Season with parsley, Mrs. Dash, Salt and Pepper
3-4 T Lemon Juice

-Melt butter over low heat and then add flour- make a roux. Add milk, broth, and seasonings and cook over medium heat until thick. Mix in lemon juice. Pour over chicken breasts in a pan and bake in oven at 350 for about 45 minutes until chicken is cooked through. Serve over rice.