Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed Potatoes

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

Tender pork tenderloin coated in a fragrant blend of Italian herbs, oven-baked to juicy perfection and served alongside creamy roasted garlic mashed potatoes. This italian-inspired pork ready in about 55 minutes pairs pork tenderloin, olive oil, dried basil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 480 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 Italian cuisine 480 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. In a small bowl, mix 2 tbsp olive oil, 1 tsp dried basil, 1 tsp dried oregano, 1 tsp garlic powder, 1 tsp salt, and 1/2 tsp black pepper to form an herb paste. Rub this mixture evenly over 1.5 lbs pork tenderloin.
  2. Step 2: Place the pork on a rimmed baking sheet and roast in the preheated oven for 25-30 minutes until the internal temperature reaches 145°F. Remove from oven and let rest for 10 minutes before slicing.
  3. Step 3: Meanwhile, place 2 lbs peeled and quartered russet potatoes and 6 whole garlic cloves into a large pot of salted water. Bring to a boil and cook for 15-20 minutes until potatoes are fork-tender.
  4. Step 4: Drain potatoes and garlic, then mash them with 4 tbsp unsalted butter and 1/2 cup warm milk until smooth and creamy. Season with salt to taste.
  5. Step 5: Serve slices of the pork tenderloin alongside generous portions of roasted garlic mashed potatoes, garnished with 2 tbsp chopped fresh parsley.

Frequently asked questions

How long does Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed 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 Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed 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 Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed 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 Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed 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 Baked Italian Herb-Crusted Pork Tenderloin with Roasted Garlic Mashed Potatoes?

Italian pork 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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