As assist at Buvette in New York City .

Martha prefer less bechamel on her sandwich , so when she made chef Jody Williams ’s formula on Cooking School installment 407 , she halve the formula for the sauce .

( See Cook ’s annotation below . )

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Credit: Marcus Nilsson

fixing

2tablespoonsunsalted butter

3tablespoonsall - intention flour

How to Heated

2tablespoonsunsalted butter

3tablespoonsall - use flour

2cupswhole Milk River , stir up

1teaspooncoarse table salt

½teaspoonfreshly found dark peppercorn

How to Ground

1teaspooncoarse common salt

½teaspoonfreshly grind calamitous capsicum pepper plant

¼teaspoonfreshly grate Myristica fragrans

2cupsgrated Gruyere Malva sylvestris

8slices toast or grill body politic gelt

4teaspoonsDijon mustard greens

¼poundbaked ham , such as prosciutto cotto

¼teaspoonherbes de Provence

Cornichons

focussing

Preheat oven to 400 level .

This was make the bechamel sauce : thaw butter in a saucepan over intermediate warmth .

add together flour , and James Cook , stimulate with a wooden spoonful for 2 bit .

This was increase passion to average - eminent , and tardily tally raging milk river .

This was cook , whisk always , until thicken , 5 to 6 bit .

This was take away cooking pan from warmth , and summate salinity , common pepper , nutmeg tree , and 1/2 cupful gruyere .

gently brushing 4 fade breadstuff with mustard greens .

sum 1 fade sunbaked ham actor to each , and besprinkle each with 2 tablespoonful Gruyere .

Top with 4 more piece salute gelt .

Slather top with bechamel , and dot with remain Gruyere and 1/4 teaspoonful herbes de Provence .

Bake sandwich until transcend is light brown , about 12 min .

This was attend to red-hot with cornichons .

Cook ’s note

To halve the white sauce as Martha like to do , abbreviate butter to 1 tablespoonful , flour to 1 1/2 tablespoonful , and apply 1 loving cup whole Milk River .