Herb-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Tender pork tenderloin rubbed with fresh herbs and garlic, roasted to perfection, and served with a tangy mustard sauce honoring Memorial Day traditions. This american-inspired pork ready in about 40 minutes blends pork tenderloin, finely chopped fresh rosemary, finely chopped fresh thyme into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 320 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. 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: 30 min Serves 4 American cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F. In a small bowl, combine 1 tbsp chopped fresh rosemary, 1 tbsp chopped fresh thyme, 3 minced garlic cloves, 2 tbsp olive oil, 1 tsp salt, and 1/2 tsp black pepper to create an herb rub.
  2. Step 2: Pat dry 1.5 lbs pork tenderloin and rub the herb mixture evenly over all sides. Place on a roasting rack in a baking pan.
  3. Step 3: Roast in the preheated oven for 20-25 minutes, or until an internal thermometer reads 145°F. Remove from oven and tent with foil to rest for 10 minutes.
  4. Step 4: While the pork rests, whisk together 1/4 cup Dijon mustard, 2 tbsp honey, 1 tbsp apple cider vinegar, and 2 tbsp water in a small bowl until smooth and slightly thickened.
  5. Step 5: Slice the rested pork tenderloin into 1/2-inch medallions and drizzle with the mustard sauce before serving.

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Frequently asked questions

How long does Herb-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce take to make?

Total time is about 40 minutes (10 min prep + 30 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Herb-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Herb-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce?

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-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce 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-Rubbed Pork Tenderloin with Memorial Day Mustard Sauce?

American 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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