Lamb Spaghetti with Spinach

Name: Lamb Spaghetti with Spinach
Prep time: 25 min
Cook time: 30 min
Total time: 55 min
Cuisine: Italian
Ingredients: 2 tablespoons extra-virgin olive oil; 1 small onion, (chopped); 3 large garlic cloves, (finely chopped); 1 pound ground lamb; ⅓ cup tomato paste; ¾ cup dry red wine; ½ teaspoon dried oregano; salt and freshly ground black pepper, (to taste); One 6-ounce bag fresh baby spinach; 3 tablespoons finely chopped fresh mint; 16 ounces spaghetti; ½ cup freshly grated Parmesan or Romano cheese, (for topping)