Sheet-Pan Mustard-Balsamic Chicken with Roasted Brussels & Red Onions

This quick and flavorful sheet-pan dinner features juicy chicken breasts coated in a tangy mustard-balsamic glaze, roasted alongside caramelized Brussels sprouts and red onions. Perfect for a healthy, hearty meal in just 30 minutes.

⏱️ 30 minutes
👥 4 servings
🔥 355 calories
Sheet-Pan Mustard-Balsamic Chicken with Roasted Brussels & Red Onions
Ingredients
  • 4 pieces boneless, skinless chicken breasts
  • 3 cups Brussels sprouts, trimmed and halved
  • 1 large red onion, sliced into wedges
  • 3 tbsp olive oil
  • 2 tbsp balsamic vinegar
  • 1.5 tbsp Dijon mustard
  • 1 tbsp honey
  • 2 cloves garlic, minced
  • 1 tsp dried thyme
  • 1 tsp salt
  • 0.5 tsp black pepper
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Instructions

1

Preheat oven to 425°F (220°C) and line a large sheet pan with parchment paper or foil.

🌡️ 425°F
2

In a small bowl, whisk together olive oil, balsamic vinegar, Dijon mustard, honey, garlic, thyme, salt, and black pepper.

⏱️ 2 minutes
3

Place chicken breasts on one side of the sheet pan and brush generously with half of the mustard-balsamic mixture.

⏱️ 2 minutes
4

Toss Brussels sprouts and red onion with the remaining mustard-balsamic mixture, then spread them on the other side of the pan.

⏱️ 3 minutes
5

Roast in the oven for 18–20 minutes, or until chicken is cooked through (internal temp of 165°F) and vegetables are tender and caramelized.

⏱️ 20 minutes 🌡️ 425°F
6

Let chicken rest for 5 minutes before slicing. Serve chicken with roasted vegetables.

⏱️ 5 minutes
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Nutrition Information

355
Calories
32g
Protein
20g
Carbs
14g
Fat

Per serving. Values are approximate and may vary.

Frequently Asked Questions

Yes, but thaw and pat them dry first to prevent excess moisture and ensure roasting.

Chicken is done when it reaches an internal temperature of 165°F and juices run clear.

Yes, you can marinate the chicken and prep the veggies up to a day ahead for quicker assembly.

It pairs well with crusty bread, quinoa, or a simple side salad.

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