This spinach and goat cheese stuffed pork tenderloin recipe is a fancy and delicious dinner option. To make it with a food processor, pulse the spinach, goat cheese, garlic, and lemon juice until finely chopped. Then, cut a pocket in the pork tenderloin and stuff with the spinach and goat cheese mixture. Roast in the oven until the pork is cooked through and the filling is hot and bubbly.