Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze

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

Juicy pork tenderloin roasted with a flavorful garlic and mustard glaze and finished with fresh herbs for an elegant main course. This general-inspired pork ready in about 35 minutes pairs pork tenderloin, minced garlic cloves, Dijon mustard for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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 4 320 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 4 minced garlic cloves, 2 tbsp Dijon mustard, 2 tbsp olive oil, 1 tbsp chopped fresh rosemary, and 1 tbsp chopped fresh thyme.
  2. Step 2: Pat dry 1.5 lbs pork tenderloin and season evenly with 1 1/2 tsp salt and 1 tsp black pepper.
  3. Step 3: Brush the garlic and mustard glaze all over the pork tenderloin, coating thoroughly.
  4. Step 4: Place the pork on a roasting pan and roast in the preheated oven for 20-25 minutes, or until the internal temperature reaches 145°F, turning once halfway through cooking.
  5. Step 5: Remove the pork from the oven and let rest for 5-10 minutes before slicing to allow juices to redistribute.

Frequently asked questions

How long does Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze 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 Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze?

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 Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze?

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 Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze 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 Herb-Roasted Pork Tenderloin with Garlic and Mustard Glaze?

General 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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