The Ultimate Comfort Food: Garlic Butter Chicken
We all have those nights where we want something warm, comforting, and packed with flavor, but we simply do not want to spend hours standing in the kitchen. Enter this easy Garlic Butter Chicken with Peppers and Mushrooms, served over a bed of perfectly creamy mashed potatoes. If you have been looking for a new staple to add to your weeknight dinner rotation, this skillet chicken recipe is going to win you over instantly.
There is just something undeniably magical about pan-seared chicken bathed in a rich garlic butter pan sauce. Pair that beautifully seasoned poultry with caramelized bell peppers, tender mushrooms, and fluffy mashed potatoes, and you have a restaurant-quality meal right at home.

Why This Skillet Chicken Recipe Works
What makes this garlic butter chicken so special? It is all about building layers of savory flavor in a single pan. By cooking the seasoned chicken in the same skillet as the vegetables, you ensure that every single bite is infused with those delicious, herby pan drippings.
Furthermore, using a colorful mix of red, green, and yellow bell peppers does not just make the dish visually stunning—it adds a subtle, sweet crunch that cuts through the richness of the garlic butter perfectly.

And let us not forget the side dish! While you could absolutely serve this over rice, quinoa, or pasta, pairing it with homemade creamy mashed potatoes takes it to a whole new level of cozy comfort. The mashed potatoes act as the perfect sponge to soak up that incredible garlic and herb butter sauce from the skillet.
Tips for the Best Garlic Butter Chicken
To make sure your chicken comes out juicy and your veggies are perfectly crisp-tender, keep these quick tips in mind:
- Do not overcook the chicken: Chicken breasts cook quickly. Sear them just until golden brown on the outside and cooked through. A meat thermometer is your best friend here!
- Slice veggies evenly: Try to slice your onions, bell peppers, and mushrooms to a uniform thickness so they cook evenly at the same rate.
- Whip those potatoes: For the ultimate creamy mashed potatoes, make sure your butter is at room temperature and your milk is slightly warmed before mashing.

Ready to Get Cooking?
Whether you are cooking for picky eaters, hosting a casual weekend dinner with friends, or meal-prepping for a busy week ahead, this Garlic Butter Chicken and Peppers recipe is versatile and universally loved. Grab your favorite large skillet, chop up those fresh veggies, and get ready to enjoy one of the most satisfying dinners you will make all week!
Ingredients
Method
- Boil the potatoes: Place the peeled and chopped potatoes in a large pot of salted water. Bring to a boil and cook until fork-tender (about 15 minutes). Drain well.
- Mash the potatoes: Return the drained potatoes to the pot. Add 2 tbsp of butter, 100ml of milk, and salt to taste. Mash until completely smooth and creamy. Cover to keep warm and set aside.
- Season the chicken: In a medium bowl, toss the chicken fillets with 1 tsp salt, 1/2 tsp black pepper, 1 tsp paprika, and 1 tsp dried Italian herbs until evenly coated.
- Sear the chicken: Heat 2 tbsp of olive oil in a large skillet over medium-high heat. Add the seasoned chicken and cook for 5-7 minutes per side, or until deeply golden brown and cooked through (internal temperature of 165°F/74°C). Remove the chicken from the skillet and set aside on a plate.
- Sauté the vegetables: In the same skillet, reduce the heat slightly and melt 2 tbsp of butter. Add the minced garlic and sliced onions, cooking for 1-2 minutes until fragrant and slightly softened. Add the sliced red, green, and yellow bell peppers along with the sliced mushrooms. Sauté for 5-7 minutes until the vegetables are tender-crisp.
- Combine and serve: Return the cooked chicken to the skillet with the vegetables, letting it warm through for 1-2 minutes in the pan juices. Garnish generously with fresh chopped parsley.
- Plate: Serve the hot garlic butter chicken and vegetables immediately over a generous scoop of the warm, creamy mashed potatoes.
