Tuna Casserole - cooking recipe

Ingredients

1 medium onion
1 medium green pepper
3 Tbsp. butter
6 Tbsp. flour
2 (7 oz.) cans tuna, drained
3 c. milk
1 tsp. salt
dash of pepper

Preparation

Chop onion and green pepper coarsely.
Cook in butter until limp.
Stir in flour as smoothly as possible.
Add milk. Gradually season with salt and pepper.
Cook, stirring constantly, until mixture bubbles.
Stir in tuna.
Pour into a shallow baking dish.