Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies

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

A vibrant, one-pan dinner with tender chicken thighs and caramelized vegetables, finished with zesty lemon and herb notes—ready in 25 minutes. This mediterranean-inspired sheet pan (gluten-free, paleo) ready in about 35 minutes pairs olive oil, thinly sliced lemon, minced garlic cloves 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 weekly meal plan and pairs well with a quick salad or grain on the side. 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: 10 min Cook: 25 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 (220°C). Pat chicken thighs dry with paper towels and season evenly with 1/2 tsp salt and 1/4 tsp pepper.
  2. Step 2: In a large bowl, toss diced sweet potatoes, zucchini, and red onion with 2 tbsp olive oil, 1/2 tsp salt, and 1/4 tsp pepper until coated.
  3. Step 3: Spread vegetables in a single layer on a parchment-lined baking sheet. Place chicken thighs skin-side up on top, nestling them among the veggies.
  4. Step 4: Scatter lemon slices, minced garlic, and chopped rosemary over the chicken and vegetables.
  5. Step 5: Bake for 25 minutes, or until chicken reaches 165°F (74°C) internally and vegetables are golden and tender when pierced with a fork.

Frequently asked questions

How long does Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies take to make?

Total time is about 35 minutes (10 min prep + 25 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 Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies?

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 olive oil from drying out.

Can I substitute ingredients in Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies?

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 Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies 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 Sheet Pan Lemon Garlic Rosemary Chicken with Rainbow Veggies gluten-free?

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

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