Creole Mustard and Herb Roasted Pork Tenderloin

By AislePrompt Editorial · Published 2026-05-03 · Updated 2026-05-03

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are drafted and published.

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

1.5 lbs pork tenderloin
3 tbsp Creole mustard
2 tbsp olive oil
3 minced garlic cloves
1 tbsp chopped fresh thyme leaves
1 tbsp chopped fresh rosemary
1 tsp paprika
1 tsp salt
1/2 tsp black pepper
1 tbsp lemon juice

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Instructions

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.
Step 2: Pat dry 1.5 lbs pork tenderloin and rub the Creole mustard-herb marinade all over it, coating evenly.
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.
Step 4: Remove from oven and let rest for 10 minutes before slicing. Serve with your favorite Mardi Gras sides.