This Greek inspired marinade uses kefir to tenderize the chicken and infuses flavor with lemon, olive oil, garlic, oregano, dill, rosemary and thyme. Sheet- pan Greek chicken breasts are especially good over salad for lunch the next day, so make enough for leftovers!
I love this Greek inspired marinade because it adds tons of flavor to chicken breasts. The chicken breasts never come out dry and bland! The secret is using kefir, which tenderizes the meat. Also, using lots of garlic and herbs, which add flavor.
Whenever I marinate meat or chicken, I feel like a Dinner Champion. It really does make getting a good dinner on the table easier. When dinner time rolls around, the chicken is seasoned and ready to go - you just need to throw it in the oven (or on the grill).
Sheet Pan Greek chicken breasts smell amazing as dinner cooks, filling your house with the scent of lemon, garlic, oregano, dill, rosemary and thyme.
For kefir marinated chicken, 8 to 12 hours in the marinade is the ideal amount of time. I often start marinating this Greek chicken in the morning, and it's ready to cook by 6pm. Don't marinate chicken in kefir for more than 24 hours or the meat will start getting mushy.
The acidity in kefir is what helps tenderize the meat. But too much acidity for too long breaks down the protein too much.
What is Kefir?
Kefir is a fermented and drinkable pro-biotic dairy product, similar to yogurt or buttermilk. I like to use plain, full-fat kefir for marinades. Kefir is also sold in low-fat versions, and many flavors are available for drinking. You'll find kefir in the dairy section of the grocery store.
What Should I Serve with Sheet-Pan Greek Chicken Breasts?
If you're going to turn the oven on to cook chicken, you might as well cook some veggies at the same time, right? On a separate sheet pan, roast green beans lightly coated in olive oil & salt for 20 minutes. You can do the same with broccoli or thinly sliced potatoes.
Sheet-pan Greek chicken is also delicious sliced over a leafy green salad, or grain salad, or pasta salad. It also makes really good chicken salad sandwiches.
Meal Prep
You can freeze leftover cooked chicken, then pull it out for dinner again later in the month. Two pounds of chicken breasts is enough to feed my family dinner with a little bit of chicken leftover, but making closer to 3 or 4 pounds insures leftovers.
Cooked chicken breast can be frozen as whole or sliced breasts. Simply place the chicken in a freezer bag and push out as much air as possible. To defrost frozen chicken, place the chicken in the refrigerator over night.
More Favorite Marinades
- Sheet Pan Chicken & Potatoes with Citrus Thyme Marinade
- Sheet Pan Soy Sauce Chicken and Broccoli
- Citrus and Basil Flank Steak
- Easy Weeknight Marinated Tofu
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Sheet Pan Greek Chicken Breasts
- Yield: 4 to 8 servings 1x
Description
I love this marinade for Sheet-Pan Greek Chicken Breasts because the chicken breasts always come out tender, juicy and flavorful. This Greek inspired marinade uses kefir to tenderize the chicken and infuses flavor with lemon, olive oil, garlic, oregano, dill, rosemary and thyme.
This chicken is especially good over salad for lunch the next day, so make enough for leftovers. I like to make large batches (3 to 4 pounds) of sheet-pan Greek chicken breasts so we have leftovers for lunch, or so I can freeze half of the cooked chicken for dinner the following week. If you’re making 2 pounds of chicken or less, you can halve the marinade ingredients.
Marinating Time: 6 to 8 hours
Ingredients
- 2 to 4 pounds boneless, skinless chicken breasts
- ½ cup extra virgin olive oil
- ⅔ cup plain kefir
- Juice from one small lemon
- 2 tablespoons honey
- 6 cloves garlic, peeled and smashed with the palm of your hand
- 2 teaspoons kosher salt
- 2 tablespoons dried oregano
- 2 teaspoons dried dill
- 8 thyme sprigs
- 6 short sprigs rosemary
Instructions
For the most tender and flavorful chicken breasts, I like to marinate in a kefir marinade for 8 to 12 hours. Usually, I marinate the chicken in the morning, then cook it that night. When using kefir in the marinade, don't marinate for more than 24 hours or the meat will start getting mushy.
Before whisking together the marinade, I make sure the chicken breasts are close to the same size and not too big. Usually, boneless skinless chicken breasts are quite large. I cut them in half, so each piece is around 6 ounces or less. This helps the meat cooks faster so it isn’t in the oven for too long, which dries it out. See the notes section below for more tips about the size of chicken breasts.
- Put the chicken breasts in one or two resealable plastic bags or in a large dish or Tupperware container. The dish should be large enough to lay all the breasts out in one layer.
- Whisk together the marinade: Olive oil, kefir, lemon juice, honey, garlic, salt, dried oregano, dried dill, thyme and rosemary. When the marinade is whisked together well, pour it over the chicken.
- Refrigerate the marinating chicken for 8 to 24 hours. I flip the chicken once or twice while it marinates, to make sure all sides get in on the flavor.
- When ready to cook the chicken, heat oven to 425 F.
- The honey and dairy in this marinade will burn on the sheet-pan, so it’s best to cover the sheet pan or baking dish with parchment paper before laying out the chicken. Take the chicken breasts out of the marinade and shake off as much marinade as possible. Evenly space the chicken breasts on the sheet pan.
- I find that chicken breasts usually take between 18 to 28 minutes to cook completely to 165 F, depending on the thickness. I check the chicken at 18, 23 and 28 minutes and take out pieces as they are done. Smaller, thinner pieces will be done sooner and really thick pieces (weighing 7 ounces or more) will take closer to 28 or sometimes even 30 minutes.
- For this particular chicken breast recipe, the chicken doesn’t brown on the outside and stays quite pale, so don’t use the outside color of the chicken breast as an indicator for when it’s done. I always use a meat thermometer to check chicken breasts so there’s no question if they’re done or not. Stick the thermometer into the thickest part of the breast. At 165 F the chicken is cooked. Also, the juices should run clear and inside the meat should be opaque, not translucent or pink.
- Take the chicken out of the oven and let the meat rest at least 10 minutes before slicing. If you slice too soon, the chicken won’t be as juicy.
Notes
Grilling Greek Chicken Breasts
These Greek marinated chicken breasts are also delicious grilled. When grilled, the chicken gets crispier and browned on the outside. If grilling, pound each breast to an even thickness of ½ inch before marinating. Do not make them any thinner or the thicken tends to dry out when cooked. Grill the ½-inch thick chicken breasts for 3 to 6 minutes a side over high heat. This marinade causes the flames to flare up a bit, so be mindful.
Tips About the Size of Chicken Breasts
It’s hard to bake juicy, flavorful boneless, skinless chicken breasts, especially when chicken breasts are enormous in size. Ideally, each chicken breast weighs around 6 ounces. More often than not, chicken breasts weigh twice this amount, so I cut the chicken breasts in half either diagonally or widthwise before marinating and cooking. If small, thin chicken tenders are hanging on to the breasts, I pull these pieces off and cook them separately on the sheet pan. These small pieces will be done after about 15 minutes.
Pounding raw chicken breasts to an even thickness (½ inch) also helps them cook faster and more evenly. I always do this when grilling chicken and pan searing chicken, although I don’t usually bother doing it when baking chicken. To pound chicken, place chicken breasts in the same resealable plastic bag you’re using for the marinade. Using a mallet or rolling pin, pound each breast to an even thickness of about ½ inch. Don’t go any thinner than ½ inch, or the meat tends to get dry.
Freezing
Sliced or shredded cooked chicken can be cooled and then stored in freezer bags so you have a freezer stocked with cooked chicken that’s ready for dinner or lunch. (If I freeze food, I plan to use it the following week, otherwise I usually forget it’s there.) When freezing chicken, make sure to remove as much air as possible from the freezer bag. To defrost, put the chicken in the refrigerator the night before.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: chicken
- Method: Bake
- Cuisine: Greek
Keywords: chicken breasts, chicken marinade, baked chicken breasts, sheet pan chicken
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