Cheese-Stuffed Pork Tenderloin with Garlic Butter Sauce
A juicy pork tenderloin stuffed with sharp cheddar and spinach, roasted to perfection and finished with a rich garlic butter sauce. This American-inspired keto recipe (gluten free), ready in about 50 minutes, pairs pork tenderloin, sharp cheddar cheese, fresh spinach for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 calories and feeds 4, so it slots cleanly into a low-carb week and pairs well with cauliflower rice or roasted green vegetables. 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, trimmed pork tenderloin
- 4 oz, shredded sharp cheddar cheese
- 1 cup, chopped fresh spinach
- 2 tbsp olive oil
- 1 tsp salt
- 1/2 tsp black pepper
- 4 tbsp unsalted butter
- 3, minced garlic cloves
- 1 tsp fresh thyme leaves
- 1 tbsp fresh lemon juice
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 400°F. Butterfly 1.5 lbs pork tenderloin by slicing lengthwise almost through, then open flat. Season inside and outside with 1 tsp salt and 1/2 tsp black pepper.
- Step 2: Evenly spread 1 cup chopped fresh spinach and 4 oz shredded sharp cheddar cheese over the inside of the pork. Roll tightly and secure with kitchen twine every 2 inches.
- Step 3: Heat 2 tbsp olive oil in an oven-safe skillet over medium-high heat. Sear the pork roll on all sides for 3-4 minutes until golden brown.
- Step 4: Transfer skillet to oven and roast pork for 20-25 minutes until internal temperature reaches 145°F. Remove pork and tent with foil to rest.
- Step 5: In the same skillet, melt 4 tbsp unsalted butter over medium heat. Add 3 minced garlic cloves and 1 tsp fresh thyme leaves, cooking for 1-2 minutes until fragrant. Stir in 1 tbsp fresh lemon juice, then pour sauce over sliced pork before serving.







