Marinate fish for 30-60 minutes at most, depending on the thickness.
Chicken, turkey, and pork will begin taking on noticeable flavor in 2-3 hours, but 6-8 hours is optimal.
Sirloin and chuck steaks need 6-24 hours and benefit from scoring the surface.
The most tender steaks, like filets and ribeyes, need only an hour or two.
Lamb tenderloins need only 15-30 minutes.
The more acidic the marinade, the less time needed.
Zipper or resealable bags are great for marinating and they need less liquid than bowls or tupperware. When you are done, you can throw them away. No cleanup. If you use pots, use stainless steel, glass, or ceramic. Never marinate in aluminum, cast iron, or copper. They react with the acids and salts.
Turn the meat every few hours.
Smaller pieces marinate faster, so consider cutting some meats into serving sizes.
Always marinate in the refrigerator and cover the meat so it doesn't drip on other food. Never reuse marinades.
The Zen and Myths of Marinades
Marinades are thin liquids that foods swim in before cooking and they are bathed in myth and mystery. Unless they are heavy with salt, in which case they more properly are called brines, marinades do not penetrate meats like steak, lamb, and pork very far, perhaps no more than 1/8", even after days of soaking. Other meats, like chicken and turkey absorb a bit more of them, while fish drink them up. Nor do they tenderize (denature the protein bonds) meat very much, especially since they do not penetrate very far.
But they are still good on red meats and pork because they find their way into cracks and crevices on the surface of meats making a flavorful dressing.
Some other foods, especially eggplant and mushrooms absorb marinades rapidly. But most veggies are impermeable.
In general, it is best to think of marinades as seasonings.
Marinades usually contain four working components: Salt, acid, flavoring, and oil, and if you remember the acronym SAFO, you can create your own easily.
SAFO
S is for Salt. Salt is important because it is a flavor enhancer and it is good at penetrating meat and pulling the other flavor components in the marinade by osmosis.
A is for Acid. Acid can break down protein slightly. Typical acids are fruit juice (lemon juice, apple juice, white grape juice, pineapple juice, and orange juice work well), vinegar (cider vinegar, distilled vinegar, sherry vinegar, balsamic vinegar, raspberry vinegar, or any old vinegar), and even soft drinks.
F is for Flavoring. Typical flavorings include herbs and spices such as oregano, thyme, cumin, paprika, garlic, onion powder, and even vegetables such as onion and jalapeño. It's a good idea to add some umami. That's the meaty flavor from glutamates found in meat stocks, soy sauce, and mushrooms.
O is for Oil. Oils are used in marinades because many flavorings are not water soluble, and oils are needed to release their aromatics. Most green herbs are oil soluble. Oils on the surface of the meat aid in browning and crisping. Don't use olive oil because it solidifies at refrigerator temp. Use a corn, canola, or peanut oil. Other oils might work but give them thought because some, such as walnut, are very flavorful.
Tips
No sugar. While you're concocting your signature marinade, skip the sugar. The big fat sugar molecules just thicken the liquid and clog up the pores in the meat. Keep your marinade thin.
No alcohol. A lot of folks like to use wine, beer, and spirits in their marinades, but this may not be a good idea. Here's what the great Chef Thomas Keller says in his award winning French Laundry Cookbook: "If your marinating anything with alcohol, cook the alcohol off first. Alcohol doesn't tenderize; cooking tenderizes. Alcohol in a marinade in effect cooks the exterior of the meat, preventing the meat from fully absorbing the flavors in the marinade. Raw alcohol itself doesn't do anything good to meat. So put your wine or spirit in a pan, add your aromatics, cook off the alcohol, let it cool, and then pour it over your meat. This way you have the richness of the fruit of the wine or Cognac or whatever you're using, but you don't have the chemical reaction of "burning" the meat with alcohol or it's harsh raw flavor."
Use a nonreactive container. The acids in a marinate can react with aluminum, copper, and cast iron, and give the food an off lflavor. So do your soaking in plastic, stainless steel, porcelain, or best of all, zipper bags. Pour the marinade and meat in the bag and squeeze out all the air possible and the meat will be in contact on most surfaces.
Now here's a neat trick. Fresh pineapple has an enzyme called bromelain that tenderizes meat. The enzyme works fast. Within 30-60 minutes the meat is ready for the grill. Surprisingly, the pineapple adds little flavor to the meat in such a short time. Some people like the softer meat, others feel it is mushy. You decide. The enzyme is destroyed by the canning and bottling process, so be sure to use fresh pineapple. Likewise, papain is an enzyme in papaya and the main tenderizing ingredient in Adolph’s Meat Tenderizer. You can liquefy papaya or add smashed papaya to your marinade to tenderize.
Cut to the chase. Cut the surface of the meat with a knife about 1/8" deep every 3/4" or so or poke holes in it with a fork. The liquid will get into the cracks and that will help flavor it as well as help a bit with penetration.
Go nekkid. Chicken and turkey skin are almost all fat and they are an impenetrable barrier to marinades. If soaked, they only get soggy and won't crisp properly. So if the skin won't get crispy, what's the point? Get rid of it. Just empty calories. Skinless chicken will drink up more flavor.
Save money. Some recipes call for marinating in barbecue sauce. Don't do it. It's just a waste of expensive sauce because it is too thick to penetrate very far.
Warning.Remember, all uncooked meat has microbes and spores. Used marinades are contaminated with raw meat juices so if you plan to use it as a sauce, it must be boiled for five minutes.
A shortcut. If you don't want to make a marinade from scratch, just buy a bottle of your favorite oil and vinegar salad dressing. Salad dressings usually have all the necessary ingredients. Just make sure you don't get the Caesar. It has cheese and anchovies in it. We don't need no cheese or no stinkin' dead fish in our pork.
Recipe for a great basic marinade: LT Italian Marinade
This is my standard marinade based on a wonderful, herby oil and vinegar salad dressing. I have added more salt to the dressing because it helps create the flavor-enhancing effect of a brine, and more vinegar because it's acid and also helps penetration. Best of all, it allows the flavor or meats and veggies to come through. I use it on pork, chicken, and even zucchini and eggplant. Click here to see how to use it to make wonderful Tuscan ribs. Elegant.
Do this
Pour the vinaigrette, salt, and vinegar into a bowl, whisk, and pour into a bottle. Can be refrigerated for months. Shake well before using.
This page was revised 7/24/2009
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