This is a CLEAR-BROTH recipe (some like it more like a cloudy stew) I'm reducing this recipe so it's a better size for a normal kitchen.
STOCK:
Using a 2 gallon stock pot, heat the oil on high and sautee the onion, carrots, and celery until fragrant and a touch softer, maybe 4 minutes. Stir them around for good coverage. You want to get a little bit of malliard reaction to start.
Add the parsley stems, garlic, bay leaves, herbs, all the peppers, and salt. Stir and let the malliard reaction continue until you develop a fond on the bottom of the pan.
Add wine and stir everything up from the bottom for 1 minute. IE: deglaze the pan
Add the chicken carcass and schmaltz. Add 1 gallon water. Cover and let come to boil. Turn to simmer
Simmer covered on low for 1 hour.
Taste and see if it needs more salt.
Pour everything through fine strainer into a separate 2-3 gallon pot. Save this for later.
Clean first pot and boil 1 gallon water. You can add a little chicken base if you want (i use the Better than Boullion brand chix base). This is just for boiling the matzoballs.
MATZOBALLS:
Use the recipe on the Manischewitz Matzo meal box) I would go 4x the recipe (8 eggs, 2 cups matzo meal, etc). I use tablespoons from the stock we just made for what is called for in the recipe, and I add about 3 TBSP of chopped parsley into the dough as well. Let in chill in the fridge for 30 minutes while water heats up.
Simmer the balls in the water. I use a 2TSBP cookie scoop to measure them out. You want them cooked, but still firm. About 35-45 minutes.
When done, set them on a plate to cool. You may have to do a couple batches, so get new plates for each batch.
FINISHING:
Bring the original cleared broth back to simmer, and add the balls back in. Let simmer for 10 minutes, then serve.
SOURCE:
https://www.reddit.com/r/AskReddit/comments/1ap2pw6/what_oftenrepeated_cooking_tip_is_actually/