2 tablespoons of chopped parsley
1 1/2 cups of finely chopped onion
4 1/2 cups of peeled and thinly sliced sweet potatoes
3 tablespoons of salt
3 tablespoons of butter or margarine
7 tablespoons of all-purpose flour
1 pinch of pepper
1 3/4 cups of milk
2 tablespoons of chopped parsley
1 1/2 cups of finely chopped onion
4 1/2 cups of peeled and thinly sliced sweet potatoes
3 tablespoons of salt
3 tablespoons of butter or margarine
7 tablespoons of all-purpose flour
1 pinch of pepper
1 3/4 cups of milk
Preheat the oven
Leave about 2 1/2 inches of water to boil in a covered pot
Grease a 1.5-liter capacity mold
Prepare the parsley, onion, and sweet potatoes
Add them to boiling water along with 2 tablespoons of salt
Cook in a closed pot for 5 minutes
Drain
Meanwhile, melt butter in low heat
Add flour, remaining salt, pepper, and milk
Cook until thickened
In a refrigerated mold, arrange a layer with 1/3 of the sweet potatoes and onions; sprinkle with half the parsley; add 1/3 of the sauce
Repeat layers, ending with the sauce
Bake in a moderate oven until golden brown and sweet potatoes are tender
Serve with passed peas in butter.