Lemon-Rosemary Roasted Pork Tenderloin

By AislePrompt Editorial · Published 2026-04-25 · Updated 2026-04-25

Juicy pork tenderloin roasted with fresh rosemary and lemon zest, offering a fragrant and bright flavor profile. This Thai recipe, ready in about 35 minutes, pairs pork tenderloin, fresh rosemary, lemon zest for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 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.

Ingredients

• 1 lb pork tenderloin
• 1 tbsp chopped fresh rosemary
• 1 tsp finely grated lemon zest
• 3 cloves minced garlic cloves
• 2 tbsp olive oil
• 1 tsp salt
• 1/2 tsp freshly ground black pepper
• 1 tbsp lemon juice

The instant-read thermometer we’d check this pork with → Best Instant-Read Thermometers for 2026: Fast, Accurate Picks Under $100

Instructions

1. Step 1: Preheat oven to 400°F (200°C). In a small bowl, mix 2 tbsp olive oil, 1 tbsp chopped fresh rosemary, 1 tsp lemon zest, 3 minced garlic cloves, 1 tsp salt, and 1/2 tsp freshly ground black pepper.
2. Step 2: Rub this mixture evenly over 1 lb pork tenderloin, coating all sides.
3. Step 3: Place pork on a roasting pan and roast in the preheated oven for 20-25 minutes, or until internal temperature reaches 145°F (63°C) and juices run clear.
4. Step 4: Remove from oven and let rest for 5 minutes before slicing.
5. Step 5: Drizzle 1 tbsp fresh lemon juice over sliced pork before serving to brighten the flavors.