Sage and Rosemary Roasted Chicken with Sweet Potato Mash

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Juicy chicken thighs with earthy herb crust, served with velvety sweet potato purée for comforting flavor. This french-inspired chicken (gluten-free) ready in about 55 minutes pairs skin-on, bone-in chicken thighs, olive oil, chopped fresh sage for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 550 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: 15 min Cook: 40 min Serves 4 French cuisine 550 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Pat 1.5 lbs chicken thighs dry with paper towels. Toss chicken with 2 tbsp olive oil, 2 tbsp chopped fresh sage, 1 tbsp chopped fresh rosemary, 1/2 tsp garlic powder, 1 tsp salt, and 1/2 tsp black pepper until evenly coated.
  2. Step 2: Arrange seasoned chicken thighs in a single layer in a baking dish. Bake for 35-40 minutes, flipping halfway through, until golden brown and internal temperature reaches 165°F (74°C).
  3. Step 3: While chicken bakes, place 3 medium peeled and cubed sweet potatoes in a pot with 2 cups water. Bring to a boil, then simmer for 15-20 minutes until tender.
  4. Step 4: Drain sweet potatoes, return to pot, and add 2 tbsp butter and 1/4 cup heavy cream. Mash until smooth and creamy, adding salt and black pepper to taste.
  5. Step 5: Serve roasted chicken with a generous portion of sweet potato mash.

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Frequently asked questions

How long does Sage and Rosemary Roasted Chicken with Sweet Potato Mash take to make?

Total time is about 55 minutes (15 min prep + 40 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 Sage and Rosemary Roasted Chicken with Sweet Potato Mash?

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 Sage and Rosemary Roasted Chicken with Sweet Potato Mash?

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 Sage and Rosemary Roasted Chicken with Sweet Potato Mash 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 Sage and Rosemary Roasted Chicken with Sweet Potato Mash gluten-free?

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

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