4 slices white bread, each slice torn into quarters .
1 1/2 c heavy cream .
1 lb white button mushrooms, stems trimmed, wiped clean, & broken into 1/2-inch pieces .
3 tbsps unsalted butter .
3 medium garlic cloves, minced .
2 tbsps unsalted butter, softened .
3 c canned fried onions (about 6 oz.) .
1 1/2 c low sodium chicken broth .
1/8 tsp ground black pepper .
fresh ground black pepper
Directions
Step #1 For the topping: Pulse bread, butter, & pepper in food processor/blender until mixture resembles coarse crumbs, salt, about 10 one-second pulses.
Step #2 Transfer to large bowl & toss with onions; set aside.
Step #3 Adjust oven rack to middle position & heat oven to 425F degrees.
Step #4 Fill large bowl with ice water.
Step #5 Bring 4 qts.
Step #6 of water to boil in large Dutch oven.
Step #7 Add two tbls.
Step #8 salt & the green beans.
Step #9 Cook beans until bright green & crisp-tender, about 6 mins.
Step #10 Drain beans in colander & plunge as soon as possible into ice water to stop cooking.
Step #11 Spread beans on paper towel-lined baking sheet to drain.
Step #12 Add butter to now-empty Dutch oven & melt over medium-high heat until foaming subsides.
Step #13 Add mushrooms, garlic, 3/4 tsps salt, & 1/8 tsps pepper; cook this until mushrooms release moisture & liquid evaporates, about 6 mins.