Slow Cooker Herb-Roasted Pork Tenderloin

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · Published 2026-04-06 · Updated 2026-04-06

Tender pork tenderloin slow-cooked with rosemary, garlic, and a hint of apple cider, served with roasted root vegetables. This american-inspired slow cooker ready in about 495 minutes pairs pork tenderloin, olive oil, chopped rosemary for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 6, 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

• 1.5 lbs pork tenderloin
• 2 tbsp olive oil
• 2 tsp, chopped rosemary
• 3 cloves, minced garlic
• 1/4 cup apple cider vinegar
• 2 cups, chopped carrots
• 2 cups, cubed potatoes
• 1 medium, sliced onion
• 1 tsp salt
• 1/2 tsp black pepper

Instructions

1. Step 1: Pat 1.5 lbs pork tenderloin dry with paper towels. Rub with 2 tbsp olive oil, 2 tsp chopped rosemary, 3 minced garlic cloves, 1 tsp salt, and 1/2 tsp black pepper.
2. Step 2: Place 2 cups chopped carrots, 2 cups cubed potatoes, and 1 sliced medium onion in the bottom of a 6-quart slow cooker. Arrange the seasoned pork on top.
3. Step 3: Pour 1/4 cup apple cider vinegar over the pork and vegetables. Cover and cook on LOW for 4-5 hours until pork reaches 145°F internal temperature.
4. Step 4: Remove pork and let rest 10 minutes before slicing. Discard excess liquid from slow cooker, then return vegetables to the pot and cook uncovered on HIGH for 15 minutes to thicken sauce and caramelize edges.