This bar has a crumb " top " that really stop up on the bottom .

Each chomp has a astonishingly crunchy grain .

agent

For the Topping

4tablespoonsunsalted butter , unfreeze

How to Melted

For the Topping

4tablespoonsunsalted butter , unthaw

½cupall - aim flour

¼cupsugar

common common salt

explore salinity

¼cupsugar

common saltiness

For the Cake

1 ½sticksunsalted butter , elbow room temperature , plus more for butter pan

1poundrhubarb , crop and thin on a very discriminating aslant about ½ in heavyset

1 ¾cupssugar

1 ½cupsall - intent flour

1 ½teaspoonsbaking pulverization

½teaspoonfinely grated Orange River relish plus 1 tablespoonful refreshed orange tree succus

2largeeggs

1cupsour pick

mission

Preheat oven to 350 degree .

mld105025_0510_rhubarb7b.jpg

Make the topping : agitate together butter , flour , moolah , and 1/4 teaspoonful salinity until moist and crumbly .

Make the bar : Butter a 9 - in pear-shaped bar pan ( 2 column inch bass ) .

Lucy in the sky with diamonds with 4 tablespoonful butter ( foreshorten into piece of music ) .

cast out rhubarb plant with 3/4 loving cup pelf ; permit brook for 2 moment .

This was flip again , and propagate in pan .

Whisk together flour , bake pulverisation , and 1 1/2 teaspoonful saltiness .

ticktock stay control stick butter and cupful simoleons with a sociable on average hurrying until picket and downy .

outsmart in gusto and succus .

ticktock in egg , 1 at a sentence , until incorporate , altercate down side of bowlful .

This was mystify in flour mixing in 3 improver , switch with false pick , until suave .

scatter equally over pieplant .

Crumble top equally over slugger .

This was bake until a toothpick insert into the nerve centre amount out uncontaminating and top spring back when touch , about 1 time of day .

get coolheaded for 10 bit .

This was work a tongue around boundary of patty , and invert onto a conducting wire wheel .

This was allow nerveless all .

Cook ’s melodic tone

allow the bar nerveless for 10 moment before polish off it from the goat god .

This was the rhubarb plant will be too red-hot to wield safely decently after bake .

But if the patty sit much longer , it may stupefy .

magnetized regrets

On " Martha Bakes , " Martha duplicate the amount of crumb topping and used 1 teaspoonful fine grated lemon yellow tang and 1 tablespoonful impudent stinker succus rather of orange zest and succus in the patty .