Chicken-Asparagus Casserole - cooking recipe

Ingredients

5 Tbsp. all-purpose flour
1 tsp. salt
1/4 tsp. onion salt
1/4 c. melted butter
2 1/2 c. milk
1 1/3 c. uncooked instant rice
1 1/2 c. chicken broth
1 (14 1/2 oz.) can cut asparagus spears, drained
2 c. cubed chicken
1/2 c. shredded Cheddar cheese

Preparation

Stir flour, 1/2 teaspoon salt and onion salt into butter in a heavy saucepan; cook over low heat until bubbly, stirring constantly.
Gradually add milk; cook until smooth and thickened, stirring constantly.
Set aside.