Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw

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

Tender oven-roasted pork tenderloin paired with a crisp, tangy apple and fennel slaw dressed in a citrus vinaigrette. This mediterranean-inspired whole30 (whole30, gluten free) ready in about 45 minutes pairs pork tenderloin, olive oil, garlic powder for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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: 15 min Cook: 30 min Serves 4 Mediterranean cuisine 350 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Rub 1.5 lbs pork tenderloin with 2 tbsp olive oil, 1 tsp garlic powder, 1 tsp smoked paprika, 1 tsp salt, and 1/2 tsp black pepper evenly.
  2. Step 2: Place pork on a roasting pan and roast in the oven for 25-30 minutes or until internal temperature reaches 145°F. Remove and let rest for 10 minutes before slicing.
  3. Step 3: While pork roasts, combine 1 medium julienned green apple, 1 small thinly sliced fennel bulb, and 1/4 thinly sliced red onion in a large bowl.
  4. Step 4: In a separate small bowl, whisk together 3 tbsp fresh lemon juice, 1 tsp Dijon mustard, 1 tsp honey, and 2 tbsp olive oil until emulsified.
  5. Step 5: Pour the dressing over the apple-fennel mixture and toss gently to combine. Stir in 2 tbsp chopped fresh parsley.
  6. Step 6: Serve sliced pork tenderloin alongside a generous portion of the apple and fennel slaw for a refreshing contrast.

Frequently asked questions

How long does Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw take to make?

Total time is about 45 minutes (15 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 Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw?

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 Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw?

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 Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw 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.

Is Oven-Roasted Pork Tenderloin with Apple and Fennel Slaw whole30?

Yes — this recipe is tagged whole30, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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