Garlic Herb Chicken with Creamy Mashed Potatoes tastes rich, buttery, and garlicky with just enough bright herbs to keep every bite interesting. It works perfectly for busy weeknights or cozy Sunday dinners, and you can get it on the table in about 45 minutes. I cook this exact combo when I want my kitchen to smell like a restaurant and my family to stop talking mid-sentence at the first bite.
Why You Should Try This Garlic Herb Chicken with Creamy Mashed Potatoes
This recipe gives you juicy, golden chicken with crisp edges and a velvety pool of mashed potatoes that soak up every drop of garlic herb pan sauce. The herbs and garlic hit first, then the buttery potatoes smooth everything out like a food hug.
You also cook everything with simple, affordable ingredients that you probably already keep in your kitchen. The whole meal feels special enough for guests but stays easy enough for a Tuesday night when you still wear your work socks.
“This Garlic Herb Chicken with Creamy Mashed Potatoes tasted like a cozy restaurant dinner at home and my family asked for it again the next night. ★★★★★”
Ingredients You’ll Need
Chicken and Herb Marinade
- 4 boneless skinless chicken breasts
- Pound them to even thickness so they cook evenly.
- 3 tablespoons olive oil
- Use extra virgin for more flavor, or regular if that is what you have.
- 4 cloves garlic, minced
- Jarred minced garlic works in a pinch, use about 1 ½ teaspoons.
- 1 tablespoon fresh thyme leaves, chopped
- Use 1 teaspoon dried thyme if needed.
- 1 tablespoon fresh rosemary, finely chopped
- Use 1 teaspoon dried rosemary if you only have dried herbs.
- 2 tablespoons fresh parsley, chopped
- You can skip parsley if you do not have it, but it brightens the dish.
- 1 teaspoon dried Italian seasoning
- 1 teaspoon kosher salt
- ½ teaspoon black pepper
- 1 tablespoon lemon juice
- Bottled lemon juice works, but fresh tastes brighter.
Pan Sauce
- 2 tablespoons butter
- ½ cup low sodium chicken broth
- Use regular broth and reduce added salt if that is what you have.
- ¼ cup heavy cream
- Use half and half for a lighter sauce, or full fat coconut milk if you need dairy free.
- 1 teaspoon Dijon mustard
- Any smooth mustard works, but Dijon gives better flavor.
- Extra chopped parsley for garnish
Creamy Mashed Potatoes
- 2 pounds Yukon Gold potatoes, peeled and cut into chunks
- Russet potatoes also work and give a fluffier mash.
- 4 tablespoons butter
- Use salted butter and reduce added salt slightly.
- ½ to ¾ cup warm milk
- Use whole milk for the creamiest texture, or 2% if you prefer.
- ¼ cup sour cream or plain Greek yogurt
- Sour cream gives more tang, yogurt gives more protein.
- 1 teaspoon kosher salt, plus more to taste
- ½ teaspoon black pepper
- 1 teaspoon garlic powder
- This boosts the garlic flavor without extra chopping.
Equipment List
- Large skillet, preferably stainless steel or cast iron for better browning
- Medium or large pot for boiling potatoes
- Colander
- Potato masher or potato ricer
- Cutting board and sharp knife
- Measuring cups and spoons
- Tongs or spatula
- Whisk
Tips & Tricks
- Pound chicken breasts to an even ½ to ¾ inch thickness so they cook evenly and stay juicy.
- Pat the chicken dry with paper towels before seasoning so it browns better in the skillet.
- Use medium high heat to sear the chicken and then lower the heat slightly so the inside cooks without burning the outside.
- Do not crowd the skillet or the chicken will steam instead of brown.
- Start the potatoes first so they cook while you sear the chicken and build the pan sauce.
- Warm the milk and butter for the mashed potatoes so they blend in smoothly and keep the potatoes hot.
- Add the milk to the potatoes gradually so you control the texture and avoid soupy mash.
- Taste the potatoes and sauce at the end and adjust salt and pepper so the flavors pop.
- Use dried herbs if you need to, but cut the amount to about one third of the fresh quantity.
- Let the chicken rest for 5 minutes before slicing so the juices stay inside the meat.
How to Make Garlic Herb Chicken with Creamy Mashed Potatoes
Step 1: Prep and Marinate the Chicken
Place the chicken breasts on a cutting board and cover them with plastic wrap. Pound them gently with a meat mallet or rolling pin until they reach an even thickness. Pat them dry with paper towels.
In a bowl, mix olive oil, minced garlic, thyme, rosemary, parsley, Italian seasoning, salt, pepper, and lemon juice. Add the chicken and coat each piece well with the herb mixture. Set the bowl aside while you start the potatoes, or chill it for up to 30 minutes if you have extra time.
Step 2: Start the Potatoes
Place the potato chunks in a large pot and cover them with cold water by about an inch. Add a generous pinch of salt to the water so the potatoes season from the inside. Bring the pot to a boil over medium high heat.
Lower the heat to maintain a gentle boil and cook the potatoes until they turn very tender when you poke them with a fork, about 12 to 15 minutes. You should feel almost no resistance. Drain the potatoes in a colander and let them sit for a minute so excess water steams off.
Step 3: Mash the Potatoes
Return the hot potatoes to the warm pot. Add butter, about half of the warm milk, sour cream or Greek yogurt, garlic powder, salt, and pepper. Mash everything together with a potato masher until the potatoes look mostly smooth.
Add more warm milk a little at a time until the mashed potatoes reach your favorite creamy texture. Taste and adjust salt and pepper. Cover the pot with a lid and keep the potatoes over very low heat, or set the pot over the warm burner with the heat off.
Step 4: Sear the Garlic Herb Chicken
Heat a large skillet over medium high heat and add a drizzle of olive oil if the pan looks dry. Place the marinated chicken breasts in the hot skillet in a single layer. You should hear a sizzle when they hit the pan.
Cook the chicken without moving it for 4 to 6 minutes, depending on thickness, until the bottom turns deep golden brown. Flip the chicken and cook the other side for another 4 to 6 minutes. Check the thickest part with an instant read thermometer and stop cooking when it reaches 165°F.
Transfer the cooked chicken to a plate and cover it loosely with foil. Let it rest while you build the pan sauce. Do not wash the skillet because all those browned bits carry flavor.
Step 5: Build the Garlic Herb Pan Sauce
Lower the heat under the skillet to medium. Add butter and let it melt while you scrape up the browned bits with a wooden spoon. Pour in the chicken broth and whisk to combine.
Let the mixture simmer for 2 to 3 minutes until it reduces slightly. Stir in the heavy cream and Dijon mustard. Keep whisking and let the sauce bubble gently until it thickens enough to coat the back of a spoon, about 3 to 5 minutes.
Taste the sauce and adjust salt and pepper if needed. Add a sprinkle of fresh parsley for color and freshness. If the sauce thickens too much, splash in a bit more broth or water to loosen it.
Step 6: Combine and Serve
Slice the rested chicken breasts against the grain or leave them whole. Nestle the chicken back into the skillet with the sauce and spoon some sauce over the top. Let it sit over low heat for 1 to 2 minutes so everything warms through.
Scoop generous portions of creamy mashed potatoes onto plates. Top with slices of garlic herb chicken and spoon extra sauce over the potatoes. Finish with a little more chopped parsley and cracked black pepper if you like the restaurant look.
What to Serve with Garlic Herb Chicken with Creamy Mashed Potatoes
Serve Garlic Herb Chicken with Creamy Mashed Potatoes with a bright green vegetable to balance the richness. Steamed green beans, roasted broccoli, or a simple side salad with crisp lettuce and a light vinaigrette all work nicely. You can also add buttered corn or roasted carrots if you cook for kids or picky eaters.
A glass of iced tea, sparkling water with lemon, or a simple lemonade pairs nicely with the buttery garlic flavors. If you want extra comfort, serve warm dinner rolls so everyone can swipe up the last bit of sauce.
Storage Options
- Store leftover chicken and mashed potatoes in separate airtight containers in the fridge for up to 3 to 4 days.
- Chill leftovers completely before you transfer them to containers so condensation does not water down the sauce.
- Freeze the chicken with sauce in a freezer safe container for up to 2 months, and freeze mashed potatoes in a separate container for up to 1 month.
- Reheat chicken and sauce gently in a covered skillet over low heat with a splash of broth or water, and warm mashed potatoes in a pot with a bit of milk and butter while you stir often.
- You can also reheat individual portions in the microwave at 50 to 70 percent power, pausing to stir the potatoes and flip the chicken so everything heats evenly.
Garlic Herb Chicken with Creamy Mashed Potatoes
Ingredients
Instructions
- Place the chicken breasts on a cutting board, cover with plastic wrap, and pound them gently with a meat mallet or rolling pin until they reach an even 1/2 to 3/4 inch thickness.
- Pat the chicken dry with paper towels.
- In a bowl, mix together the olive oil, minced garlic, thyme, rosemary, parsley, Italian seasoning, salt, pepper, and lemon juice.
- Add the chicken breasts to the bowl and coat each piece well with the herb mixture. Set aside at room temperature while you start the potatoes, or refrigerate for up to 30 minutes.
- Place the potato chunks in a large pot and cover with cold water by about 1 inch. Add a generous pinch of salt.
- Bring to a boil over medium-high heat, then reduce to a gentle boil and cook until very tender when pierced with a fork, about 12 to 15 minutes.
- Drain the potatoes in a colander and let them sit for a minute so excess water can steam off.
- Return the hot potatoes to the warm pot.
- Add the butter, about half of the warm milk, the sour cream or Greek yogurt, garlic powder, salt, and pepper.
- Mash with a potato masher until mostly smooth, then add more warm milk a little at a time until the potatoes are creamy to your liking.
- Taste and adjust salt and pepper. Cover and keep warm over very low heat or on a warm burner with the heat off.
- Heat a large skillet over medium-high heat and add a drizzle of olive oil if the pan looks dry.
- Place the marinated chicken breasts in the hot skillet in a single layer; they should sizzle when they hit the pan.
- Cook without moving for 4 to 6 minutes, until the bottom is deep golden brown. Flip and cook another 4 to 6 minutes, or until the thickest part reaches 165°F.
- Transfer the chicken to a plate, cover loosely with foil, and let rest while you make the pan sauce. Do not wash the skillet.
- Reduce the heat under the skillet to medium and add the butter.
- Once melted, scrape up the browned bits from the bottom of the pan with a wooden spoon.
- Pour in the chicken broth and whisk to combine, then let it simmer for 2 to 3 minutes to reduce slightly.
- Stir in the heavy cream and Dijon mustard, whisking as the sauce bubbles gently until it thickens enough to coat the back of a spoon, about 3 to 5 minutes.
- Taste and adjust salt and pepper if needed, then stir in a sprinkle of fresh parsley if using. If the sauce becomes too thick, thin with a splash of broth or water.
- Slice the rested chicken breasts against the grain or leave them whole.
- Nestle the chicken back into the skillet with the sauce and spoon some sauce over the top. Warm over low heat for 1 to 2 minutes.
- Scoop generous portions of creamy mashed potatoes onto plates.
- Top with the garlic herb chicken and spoon extra pan sauce over the chicken and potatoes. Garnish with more chopped parsley and cracked black pepper if desired, then serve.
Notes
Approximate per serving (4 servings): 650 calories; fat 32 g; saturated fat 15 g; carbohydrates 48 g; fiber 4 g; sugars 4 g; protein 42 g; sodium 900 mg. Values will vary based on specific ingredients, brands, and portion sizes.
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