Slow-Roasted Pork Shoulder with Mustard Herb Sauce

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

Succulent slow-roasted pork shoulder accompanied by a tangy mustard and fresh herb sauce, perfect for a hearty Whole30 dinner. This american-inspired whole30 ready in about 210 minutes blends pork shoulder roast, sea salt, black pepper 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 480 calories and feeds 6, 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: 15 min Cook: 195 min Serves 6 American cuisine 480 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 300°F. Pat dry 3 lbs pork shoulder and rub with 2 tsp sea salt, 1 tsp black pepper, 1 tsp garlic powder, and 1 tsp dried rosemary.
  2. Step 2: Heat 2 tbsp avocado oil in a large oven-safe skillet over medium-high heat. Sear pork shoulder on all sides for 3-4 minutes per side until deeply browned.
  3. Step 3: Transfer skillet to oven and roast pork shoulder uncovered for 3 hours, or until internal temperature reaches 195°F and meat is tender.
  4. Step 4: While pork roasts, combine 3 tbsp Whole30-compliant Dijon mustard, 2 tbsp chopped fresh parsley, 1 tbsp chopped fresh thyme, and 1 tbsp lemon juice in a small bowl.
  5. Step 5: Remove pork from oven and let rest for 15 minutes. Slice or shred pork and serve with mustard herb sauce drizzled on top.

Frequently asked questions

How long does Slow-Roasted Pork Shoulder with Mustard Herb Sauce take to make?

Total time is about 210 minutes (15 min prep + 195 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Slow-Roasted Pork Shoulder with Mustard Herb 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 Slow-Roasted Pork Shoulder with Mustard Herb 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 Slow-Roasted Pork Shoulder with Mustard Herb Sauce for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Slow-Roasted Pork Shoulder with Mustard Herb Sauce whole30?

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

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