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Easy Balsamic Chicken Skillet - Weeknight Flavor with Minimal Effort

Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Servings: 4 servings

Ingredients

  • 1.5 to 2 pounds boneless, skinless chicken (breasts halved lengthwise or thighs)
  • 1 tablespoon olive oil (plus a little extra if needed)
  • 1 tablespoon butter (optional but recommended for richness)
  • 1 medium yellow onion, thinly sliced
  • 3 cloves garlic, minced
  • 1 red bell pepper, sliced (optional but adds color and sweetness)
  • 8 ounces mushrooms, sliced (optional; cremini or button)
  • 1/2 cup balsamic vinegar
  • 1/3 cup low-sodium chicken broth (or water)
  • 1 to 2 tablespoons honey (or maple syrup), to taste
  • 1 teaspoon Dijon mustard (optional for extra tang)
  • 1 teaspoon dried Italian seasoning (or 1/2 tsp dried thyme + 1/2 tsp dried oregano)
  • Salt and black pepper, to taste
  • Fresh parsley, chopped, for garnish
  • Red pepper flakes, optional for a little heat

Instructions

  • Prep the chicken: Pat chicken dry. Season both sides with salt, black pepper, and half the Italian seasoning.
  • Sear: Heat olive oil in a large skillet over medium-high. Add chicken in a single layer. Sear 3–4 minutes per side until golden. Remove to a plate. It does not need to be fully cooked yet.
  • Sauté veggies: Lower heat to medium. Add butter, onion, and a pinch of salt. Cook 2–3 minutes until starting to soften. Stir in bell pepper and mushrooms, and cook another 3–4 minutes until tender and lightly browned.
  • Add garlic and seasoning: Stir in garlic and the remaining Italian seasoning for 30 seconds, just until fragrant. If the pan looks dry, add a splash of oil.
  • Build the sauce: Pour in balsamic vinegar and chicken broth. Stir in honey and Dijon. Scrape up browned bits from the pan—that’s flavor.
  • Simmer and return chicken: Nestle chicken back into the skillet along with any juices on the plate. Reduce heat to medium-low. Simmer 5–7 minutes, flipping once, until the chicken is cooked through (internal temp 165°F/74°C) and the sauce thickens and glosses.
  • Adjust and finish: Taste the sauce. Add a pinch of salt if needed, more honey for sweetness, or a splash of balsamic for extra tang. Sprinkle red pepper flakes if you like heat.
  • Garnish and serve: Turn off the heat. Spoon sauce over the chicken, top with chopped parsley, and serve hot.