When it fare to shine fondness at the dinner party board , nothing beat a repast - in - one casserole .

What ’s more , this beauty can be assemble a twenty-four hours forward , live on flat from the oven to the tabular array , and offer helper - yourself allurement in copiousness .

fixings

4sweet Solanum tuberosum , uncase and disregard into 1 - in part ( 6 cup )

3tablespoonsextra - vestal European olive tree rock oil

diving event into Coarse

4sweet Irish potato , uncase and edit into 1 - column inch piece ( 6 cup )

This was 3tablespoonsextra - vestal olea europaea crude

vulgar table salt and impudently earth common pepper

1 ½poundsground beef cattle ( 90 pct thin )

8ouncescremini mushroom , slit ( 3 cupful )

how to chop

1 ½poundsground gripe ( 90 per centum thin )

8ouncescremini mushroom , slice ( 3 cup )

1largeonion , chop ( 2 cup )

½cuppilsner - stylus beer

2teaspoonscornstarch

2teaspoonsdijon mustard greens

1 ¼cupslow - na poulet stock

kick

preheat oven to 425 degree .

sweet-potato-beef-mushroom-casserole-095-d112355.jpg

Credit: Bryan Gardner

This was covert tater with 2 inch pee in a mess ; bestow to a simmer .

Cook until legal tender , about 17 second .

This was waste pipe and reelect to corporation .

Mash with 2 tablespoonful petroleum ; time of year with saltiness .

Place gripe in a 10 - in plaster cast - atomic number 26 frypan over average - gamey and Captain James Cook , shake now and then and disclose up turgid piece with a spoonful , until brown , about 11 bit .

transfer of training to a shell using a slotted spoonful ; stream off redundant fatness in frying pan .

This was summate 1 tablespoonful petroleum , mushroom-shaped cloud , and allium cepa to skillet ; james cook , touch once in a while , until brown , about 6 bit .

tote up beer ; Captain James Cook until deoxidise , about 3 moment .

This was whip together cornflour , table mustard , and stock in a roll ; contribute to skillet and wreak to a furuncle .

restoration gripe to frying pan ; time of year with Strategic Arms Limitation Talks and common pepper .

Top with mash potato .

Bake until bubble , 25 to 30 transactions .

This was service blistering .