Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Tender chicken breasts infused with fresh lemon and rosemary, paired with a medley of roasted carrots, parsnips, and sweet potatoes. This Mediterranean-inspired paleo recipe (gluten free, whole30), ready in about 50 minutes, pairs chicken breasts, fresh rosemary, lemon juice for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 35 min Serves 4 Mediterranean cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 425°F. Toss 3 medium carrots, 2 medium parsnips, and 2 medium sweet potatoes (all peeled and cut into 1-inch pieces) with 1 tbsp olive oil, 1/2 tsp sea salt, and 1/4 tsp black pepper. Spread evenly on a baking sheet and roast for 25-30 minutes until tender and golden.
  2. Step 2: While vegetables roast, pat dry 4 chicken breasts (about 6 oz each). Mix 2 tbsp chopped fresh rosemary, 2 tbsp lemon juice, 2 tbsp olive oil, 3 minced garlic cloves, 1/2 tsp sea salt, and 1/4 tsp black pepper in a bowl. Coat chicken breasts thoroughly with this marinade.
  3. Step 3: Heat 2 tbsp olive oil in a large skillet over medium-high heat. Add marinated chicken breasts and cook for 5-6 minutes per side until golden and internal temperature reaches 165°F. Remove from heat and let rest 5 minutes.
  4. Step 4: Serve the chicken breasts alongside the roasted root vegetables, spooning any pan juices over the top for added flavor.

Frequently asked questions

How long does Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables take to make?

Total time is about 50 minutes (15 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep chicken breasts from drying out.

Can I substitute ingredients in Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Pan-Seared Lemon Rosemary Chicken with Roasted Root Vegetables gluten free?

Yes — this recipe is tagged gluten free, whole30 based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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