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Does the type of fat in a roux have much effect?

Posted on 11/12/14 at 12:53 am
Posted by pongze
IE, SoCal
Member since Nov 2007
1713 posts
Posted on 11/12/14 at 12:53 am
I ask because I smoked a duck the other day, collected the fat, and decided to make the roux for my gumbo from it. Can't say that the gumbo ended up tasting any different than any other gumbo I've made before. Was it a waste of duck fat?
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 11/12/14 at 4:44 am to
I know that a few people in the forum have done a duck fat roux and said there was a difference.

Haven't tried it myself, but at the least it is cool to say you made a duck fat roux.
Posted by JasonL79
Member since Jan 2010
6397 posts
Posted on 11/12/14 at 5:14 am to
Tried a 1/2 bacon fat, 1/2 canola roux with my seafood gumbo a few weeks ago and didn't notice any difference. Would have used more bacon fat if I would have had it. Btw, it was 1.5 cups bacon fat and 1.5 cups canola. It may have been too diluted to make a difference.
Posted by Martini
Near Athens
Member since Mar 2005
48829 posts
Posted on 11/12/14 at 6:00 am to
I make it with duck fat anytime I can and I most definitely can tell the difference.
Posted by bdevill
Baton Rouge, LA
Member since Mar 2008
11801 posts
Posted on 11/12/14 at 6:46 am to

Absolutely. Fat is the main component, outside of flour. The quality of the fat improves or diminishes the quality of the roux.
Some fats I've used are chicken fat, leaf lard (which is belly fat of the hog and rendered hog lard from a free range Berkshire hog.

The most flavorable and most memorable is the roux I made from chicken fat. Experiment and you'll find some interesting nuances in the fats you use.
Posted by BottomlandBrew
Member since Aug 2010
27050 posts
Posted on 11/12/14 at 6:59 am to
How do y'all deal with the lower smoke points of animal fats? Canola and vegetable can get up around 400, but I know animal fats are lower. Seems like it would be way easier to burn the roux, especially when doing some of the high-heat 5-minute rouxs I see people talk about.
Posted by BugAC
St. George
Member since Oct 2007
52734 posts
Posted on 11/12/14 at 7:41 am to
quote:

I ask because I smoked a duck the other day, collected the fat, and decided to make the roux for my gumbo from it. Can't say that the gumbo ended up tasting any different than any other gumbo I've made before. Was it a waste of duck fat?


Did you use my recipe i posted the other day?

Not sure if there is a big difference in the fat used. I use smoked duck fat, but also make a stock of the smoked duck remnants. So the gumbo has a slightly smokey taste overall.
Posted by BugAC
St. George
Member since Oct 2007
52734 posts
Posted on 11/12/14 at 7:43 am to
quote:

How do y'all deal with the lower smoke points of animal fats? Canola and vegetable can get up around 400, but I know animal fats are lower. Seems like it would be way easier to burn the roux, especially when doing some of the high-heat 5-minute rouxs I see people talk about.


Stir a lot. I use a combination of duck fat and oil, if i don't collect enough fat. Will probably try to go duck fat and bacon fat next time. The only thing i really noticed, was that the duck fat was a bit thinner than the oil. I stirred a while, and i use the high heat method for my roux.
Posted by mouton
Savannah,Ga
Member since Aug 2006
28276 posts
Posted on 11/12/14 at 9:23 am to
quote:

The most flavorable and most memorable is the roux I made from chicken fat


I once made a roux with the rendered fat from an Opelousas chicken. This is a dish where you slow roast a whole chicken caked with paprika, chili powder and Tonys basting it with oil and its drippings every 30 minutes. The oil gets a smoky flavor from the slow cooked paprika and chili powder and gives the roux a really distinctive flavor.
Posted by misterc
Louisiana
Member since Sep 2014
700 posts
Posted on 11/12/14 at 10:00 am to
I skin the chicken then put it in the smoker, I drop in gumbo at the end

I put the skin in the oven in a glass pan at around 400 till its crispy

I make roux with the fat and eat the skin as a snack, I usually get about 7/8 of a cup of fat off of the skin of a 5 lb bird.

IMO its worth the extra work, the flavor much more complex
Posted by PearlsLSU
NOLA
Member since Jan 2005
2689 posts
Posted on 11/12/14 at 12:15 pm to
Any ever used grass fed butter?

eta. i see other thread now
This post was edited on 11/12/14 at 12:17 pm
Posted by pongze
IE, SoCal
Member since Nov 2007
1713 posts
Posted on 11/12/14 at 12:54 pm to
Thanks for the replies. BugAC, I searched back about 10 pages in your post history and didn't see your recipe. Would you be able to link it please?
Posted by Gris Gris
OTIS!NO RULES FOR SAUCES ON STEAK!!
Member since Feb 2008
47332 posts
Posted on 11/12/14 at 1:03 pm to
When I make gumbo with fried chicken, I use peanut oil to fry it and use that oil to make the roux. Makes a difference in the flavor. A good difference.

I browned sausage recently and used the fat with my oil. Made zero difference and the sausage was a bit dry after the 30 minute simmer. I really lost a lot of the good sausage and smoky flavor doing it that way. Lots of folks swear by it, but I'll never do it again.
Posted by pooponsaban
Baton Rouge
Member since Feb 2008
13494 posts
Posted on 11/12/14 at 1:06 pm to
The people that say it does are pretty steadfast in their opinion.

I don't think it matters.
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