Ingredients

• 3 tablespoons canola oil, split
• 1 medium yellow onion, finely chopped
• 2 garlic cloves, minced
• 1 pound baby spinach, washed well and roughly chopped
• 1 teaspoon finely chopped fresh thyme
• 1/2 teaspoon finely chopped lemon zest
• 3/4 cup freshly grated Parmesan cheese (about 2 ounces)
• 2 whole pork tenderloins (about 2 pounds total)
• 1/3 cup dry white wine, such as pinot grigio (optional)
• 1 1/3 cups water (optional)

Serves 6