Sheet-Pan Dijon-Herb Chicken with Roasted Brussels Sprouts & Red Peppers

This easy, gluten-free sheet-pan dinner features juicy chicken breasts coated in a tangy Dijon-herb marinade, roasted alongside Brussels sprouts and sweet red peppers for a vibrant, healthy meal. Perfect for busy weeknights with minimal cleanup and maximum flavor.

⏱️ 40 minutes
👥 4 servings
🔥 350 calories
Sheet-Pan Dijon-Herb Chicken with Roasted Brussels Sprouts & Red Peppers
Ingredients
  • 4 pieces boneless, skinless chicken breasts
  • 3 cups Brussels sprouts, halved
  • 2 cups red bell pepper, sliced
  • 3 tbsp olive oil
  • 2 tbsp Dijon mustard
  • 1 tbsp fresh lemon juice
  • 2 cloves garlic, minced
  • 1 tsp dried thyme
  • 1 tsp dried rosemary
  • 1 tsp salt
  • 0.5 tsp black pepper
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Instructions

1

Preheat the oven to 425°F (220°C). Line a sheet pan with parchment paper.

🌡️ 425°F
2

In a large bowl, whisk together olive oil, Dijon mustard, lemon juice, garlic, thyme, rosemary, salt, and black pepper.

⏱️ 2 minutes
3

Add the chicken breasts to the bowl and toss to coat. Let marinate while you prepare the vegetables.

⏱️ 5 minutes
4

Arrange Brussels sprouts and red peppers on the sheet pan. Drizzle with 1 tablespoon olive oil and toss to coat. Nestle the marinated chicken breasts among the vegetables.

⏱️ 3 minutes
5

Roast in the preheated oven for 25 minutes, or until chicken is cooked through (internal temp 165°F) and vegetables are tender and golden.

⏱️ 25 minutes 🌡️ 425°F
6

Let rest for 5 minutes before serving. Garnish with fresh herbs if desired.

⏱️ 5 minutes
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Nutrition Information

350
Calories
32g
Protein
14g
Carbs
16g
Fat

Per serving. Values are approximate and may vary.

Frequently Asked Questions

Yes, you can use frozen Brussels sprouts and peppers, but for best results, thaw and pat them dry to prevent excess moisture on the sheet pan.

The chicken should reach an internal temperature of 165°F (74°C); use a meat thermometer to check for doneness.

Yes, you can marinate the chicken and chop the veggies up to 1 day in advance. Store separately in the fridge until ready to roast.

Absolutely. Portion into containers for easy gluten-free lunches or dinners during the week.

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