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| Marinade Ingredients |
Give them a moment of your time, and they perform a minor miracle... Poof! Generic meat is transformed into a gorgeous meal.
It's magic that's worth understanding. The "how & why" can be deep, so this post is broken into two parts:
Part One:
Two marinades that work for any cuisine, plus a recipe for Cajun Chicken Pasta that's so simple that it's embarrassing
Part Two:
Learn why you shouldn't skip the salt, how flavor & oil are intertwined, some marination time guidelines, plus unexpected sources of acids and salt
PART ONE
Feeling Fancy Marinade:
When I feel like mincing garlic and using my whisk - this is what I do. It's cheap and makes enough for 1-2 pounds of
meat. See the TIMETABLE for guidelines on marination times. In a medium mixing bowl or food
processor combine:
1/4 cup vinegar and 1 tsp Dijon mustard
(an optional natural emulsifier)
3/4 cup vegetable oil, poured into the
vinegar as a very thin stream, while whisking or processing
Add 2 teaspoons of salt and 1 - 2
tablespoons of spices or dried herbs (Cajun blend, Italian herbs etc)
Optional - 2 cloves minced garlic (or
shallots) and/or half a bunch of chopped fresh herbs
Variations:
- Chinese/ Thai: Reduce the oil to half a cup, replace the salt with 1/4 cup soy sauce, & add 1-2 tbsp of fresh ginger paste with the minced garlic.
- Indian/ Pakistani: Substitute 1 cup of yogurt (not fat free) for the oil and vinegar. Use garam marsala for the spice blend.
Note: If you plan
to freeze marinade, microwave any fresh ingredients like
garlic, fresh herbs, or ginger for 1 minute to inactivate the plant
enzymes. This will help prevent breakdown that changes the flavors
over time.
Feeling Lazy Marinade:
Have a cook-out instead of getting take-out. This foolproof method literally goes as fast as you can open the containers. In a 1 gallon zip-lock bag, add:
1/2 of a bottle of store bought vinaigrette salad dressing: any kind that separates into layers
2 teaspoons of salt (eyeball the amount: 1 tsp = to the first knuckle of your index finger)
1-2 tablespoons of a spices blend (~ 1/4 of a standard sized spice jar)
Add 1-2 lbs meat, seal, shake to coat evenly, and toss in the fridge
Cajun Chicken Pasta Recipe:
Lazy Marinade (I use Penzey's Cajun Blend and Girard's Vinaigrette) 4 Boneless Skinless Chicken Breasts (~ a pound and a half)
2-3 Green Bell Peppers, cored and chopped in 2" pieces
1 Large White Onion, chopped in 2" pieces
1 box (16 oz) Penne Pasta
1 pint Alfredo Sauce, ready made from the refrigerator section
Make the marinade in one bag, then transfer 1/4 cup to a second bag. Put veggies in the bag with 1/4 cup marinade. Seal and shake to coat. Put the chicken in the other bag, marinate everything 2-4 hours in the fridge.
After marinating, remove chicken and veggies from fridge and cook penne pasta as directed. Grill Chicken on a hot grill (400-500 °F) about 4 minutes on each side, for 8 minutes total. We use gas, but according to this BBQ link, you can get charcoal grills that hot too.
- Skillet Variation: Drain chicken and pat dry with a paper towel. Pan fry (two at a time) on medium heat in a little oil, until no longer pink and translucent in the center. Hold the cooked chicken in a oven set to warm, then saute veggies in the same skillet.
Toss pasta and veggies with Alfredo sauce, and slice the chicken into 1" strips. To serve, place a quarter of pasta mix on each plate and top with chicken strips slightly fanned out.
PART
TWO - Acid,
Oil, Salt, Spice, and Timing
Acid:
Foods
that taste sour contain natural acids. Marinades use acid to create microscopic holes in the outer layer of meat by breaking up
the proteins. The channels make the meat act more like a sponge
instead of a brick. The acid also contributes a "brighter" quality
to the natural Umami flavor of the meat.
Vinegar
and citrus juice are the most common acids in marinades, but
sometimes the source isn't very obvious. For example: chili peppers
are a good source of Ascorbic acid (vitamin C). It's a
pretty gentle acid compared to lemon juice or vinegar, but on delicate protein like shrimp, it can be a meaningful factor. See common ACIDS SOURCES at the end of this post for more surprising acids.
Oil:
Any liquid vegetable oil will work,
plus some recipes may call for melted butter. Fats & oils keep
the mixture from being unpleasantly sour and carries the flavor
compounds from the flecks of spice into the liquid, so that it can
move into the meat.
Some
people claim that butter is too thick to use in marinades, but it seems to work fine in Garlic-butter Chicken. Also, Clarified butter is also popular in
Indian cuisine, and they take their cooking very seriously. Over there it's called ghee (ignore the H, it rhymes with
key).
Logically,
butter does have a reason to work: it's partially made of the same molecules as olive oil - which works great in marinades. About
30% of milk fat is from Oleic (Oh-lee-ick) acid, while olive oil has
about 70%.
Salt:
You
must use salt or the marinade will not penetrate past the
surface of the meat. Salt
creates an osmotic (oz-Mott-ick) gradient that carries flavor deep
inside the meat. Initially the marinade draws water out of the meat,
trying to equalizes the concentration between the marinade and the
meat... But when the meat juices are outside they mingle with the
marinade liquid, and the combination is pulled back into the
meat, carrying the flavors deep inside. Yes,
technically salt does pull moisture from the meat...
Some people will argue that salt makes it a brine and not a marinade, but I'm not going to get into that here (feel free to leave a comment if it interests you). The source of salt may not always be obvious, so check out the common SALT SOURCES below.
But it's like squeezing out
a sponge that's still underwater - liquid goes right back inside!
Some people will argue that salt makes it a brine and not a marinade, but I'm not going to get into that here (feel free to leave a comment if it interests you). The source of salt may not always be obvious, so check out the common SALT SOURCES below.
What About Dry Rubs?
Dry
rubs work differently than marinades. The salt draws out moisture
from the outer layer so it can be seared properly. Searing
creates a barrier that holds natural juices inside the meat during
cooking. The meat should rest a few minutes after cooking before it's
cut so the juices can be redistributed evenly throughout the meat.
Salt can also be used on raw skin to reduce the ratio of water vs.
fat, making it easier to crisp (i.e. roasting a turkey).
Herbs
and Spices:
The
flavors in herbs and spices come from molecules called aromatic
(arrow-matic) compounds. That's science speak for a molecule
that has six carbon atoms connected into ring, plus some other
molecules sticking out from the top. Aromatic compounds occur
naturally in certain plants,usually to discourage insects from eating them. For example the flavor of cinnamon is from a single molecule called cinnamaldehyde (Sin-am-al-duh-hide).
Aromatic compounds mix into oil easily, since it's also a string of carbon atoms. (it's basically mixing oil and oil). Cooking oil acts like a solvent to pull the flavor molecules off the flecks
of herbs into the liquid so the flavors can be drawn into the meat.
Time:
Acid
works from the outside-in breaking up protein as it tunnels into the
meat. It kind of "fluffs up" the surface. This break down
continues at a steady pace, so that meat that's marinaded too
long becomes mushy and waterlogged. The excess water
acts as a heat-sink that makes it harder to achieve proper browning
on the outside without over-cooking the inside. It also creates a
texture flaw...
...Mushy isn't the same as moist!
How
Long is Too Long?
The
right amount of time depends on the structure of
the meat plus the size of the pieces. Smaller pieces have more
surface area, so they absorb marinades more quickly. About.com had
some GREAT time tables, for marinating meat so instead of reinventing the wheel, I've
summarized them below.
TIMETABLE
Beef,
roasts and brisket: 8-12 hours
Beef,
most steaks: 4 - 6 hours
Beef,
tenderloin, T- bone, and rib eye: 1-2 hours
Pork,
Shoulder and Roasts over 8 lbs: 10- 12
Pork,
Shoulder and Roasts less than 8 lbs: 6-8 hours
Pork,
Loin and Chops: 2-4 hours
Lamb,
Bone-in Leg: 10-12 hours
Lamb,
Boneless: 4-6 hours
Lamb,
Chop: 1-2 hours
Chicken,
Whole: 6-8 hours
Chicken,
Parts: 4-6 hours
Chicken,
Parts, Boneless & Skinless: 1-2 hours
Seafood:
Firm
Fish, 30 min - 1 hour
Flaky
Fish, 30 min
Shrimp,
15 - 30 min depending on size
Common
Acid Sources
Citric
Acid - Orange, Lemon, Lime juice, Most fruit, & Tamarind
Acetic
Acid - Vinegar, Beer, Cider, Wine, Salad Dressing, & Mayonnaise
Lactic
acid - Yogurt, Sour Cream, & Buttermilk
Malic
acid - Apples, Grapes, Pineapple, Tomatoes, and Most Fruit
Phosphoric
acid - Soda & Other Soft Drinks
Ascorbic
acid - Chili Peppers, Guava, & Most Produce
Tartaric
Acid - Cream of Tartar, & Wine
Common
Salt Sources
Asian
sauces - Soy Sauce, Oyster Sauce, Fish Sauce, Sweet and sour
Canned
Veggies - Vegetable Juice, Canned Tomatoes, Spaghetti Sauce
Condiments -
Pickles, Olives, Capers, Salad Dressing, Mayonnaise, Sardines,
Gravy
Soup -
Stock Concentrate, Bouillon, Tomato, Cream of Mushroom
Crystal - Table Salt, Kosher Salt, Sea Salt, and Blends like Season Salt and Garlic Salt
That's the How & Why of marinades... if you liked this post - please share it with a buddy, everyone should know how this stuff works!
Image(s): FreeDigitalPhotos.net

Hi Jade,
ReplyDeleteWhat a lovely blog you have here, a fizzing mixture of information (fun and much appreciated chemistry tips), attention to detail and humour :)
The world of corporate chemistry may have lost your talent, but equilibrium was restored through a welcome gain for the world of smart and tasty cooking.
Looking forward to read more,
Silvia
Silvia,
ReplyDeleteThank you SO much for the kind words! I'm really trying to dive in! Are there any specific cooking topics that appeal to you?
Kindest Regards,
Jade
Although I've been trained as a biochemist, I've recently worked in the food industry and loved every minute of it. Although I've done a couple of different things, it all revolved mainly around emulsions, so if you could address them, I'd be very interested to read them. Salad dressings, mayonaise and margarine are all very tasty emulsions...
ReplyDeleteStijn,
ReplyDeleteI'm always happy to connect with another scientist. Feel free to send me a connect on LinkedIN.
I'm actually connecting with a couple local food scientist trying to see if anyone know how oil works to balance the flavor of acid. It may be a bit of a mystery - exciting!
Regards,
Jade
I've sent the invitation. Thanks for the suggestion to connect. Another article idea: have you looked into foodpairing? foodpairing.be is an online database that connects foods based on shared aromatic molecules.
Delete