Rosemary-Roasted Pork Tenderloin with Baby Potatoes

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

A simple oven-roasted dish featuring tender pork paired with caramelized baby potatoes, perfect for weeknight dinners. This american-inspired sheet pan ready in about 55 minutes pairs pork tenderloin, baby potatoes, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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 American cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. Toss 1 lb baby potatoes with 2 tbsp olive oil, 1/4 tsp salt, and 1/4 tsp black pepper on a baking sheet, then roast for 25 minutes until golden and tender.
  2. Step 2: Season 1.5 lbs pork tenderloin with 1 tsp salt, 1/2 tsp black pepper, 2 tbsp chopped fresh rosemary, and 3 minced garlic cloves. Heat 1 tbsp olive oil in an oven-safe skillet over medium-high heat until shimmering, then sear pork for 2 minutes per side until browned.
  3. Step 3: Transfer skillet with pork to oven and roast for 15-20 minutes until internal temperature reaches 145°F. Rest for 5 minutes before slicing.

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Frequently asked questions

How long does Rosemary-Roasted Pork Tenderloin with Baby Potatoes 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 Rosemary-Roasted Pork Tenderloin with Baby Potatoes?

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 pork tenderloin from drying out.

Can I substitute ingredients in Rosemary-Roasted Pork Tenderloin with Baby Potatoes?

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 Rosemary-Roasted Pork Tenderloin with Baby Potatoes 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.

What goes well with Rosemary-Roasted Pork Tenderloin with Baby Potatoes?

American sheet pan like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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