Creole Mustard and Herb Roasted Pork Tenderloin

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

Juicy pork tenderloin marinated in Creole mustard and fresh herbs, roasted to perfection and ideal for Mardi Gras dinners. This American-inspired Mardi Gras recipe, ready in about 40 minutes, pairs pork tenderloin, Creole mustard, olive oil 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: 30 min Serves 4 American cuisine 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, combine 3 tbsp Creole mustard, 2 tbsp olive oil, 3 minced garlic cloves, 1 tbsp chopped fresh thyme, 1 tbsp chopped fresh rosemary, 1 tsp paprika, 1 tsp salt, 1/2 tsp black pepper, and 1 tbsp lemon juice to create a marinade.
  2. Step 2: Pat dry 1.5 lbs pork tenderloin and rub the Creole mustard-herb marinade all over it, coating evenly.
  3. Step 3: Place the pork tenderloin on a roasting pan or baking sheet lined with foil. Roast in the preheated oven for 25-30 minutes, or until the internal temperature reaches 145°F.
  4. Step 4: Remove from oven and let rest for 10 minutes before slicing. Serve with your favorite Mardi Gras sides.

Frequently asked questions

How long does Creole Mustard and Herb Roasted Pork Tenderloin take to make?

Total time is about 40 minutes (10 min prep + 30 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 Creole Mustard and Herb Roasted Pork Tenderloin?

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 Creole Mustard and Herb Roasted Pork Tenderloin?

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 Creole Mustard and Herb Roasted Pork Tenderloin 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 Creole Mustard and Herb Roasted Pork Tenderloin?

American mardi gras 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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