16 Pappardelle's Plain Jumbo Shells
½ tbsp. extra virgin olive oil
2 tsp. fresh garlic, minced
1 lb. Italian sausage
4 cups (packed) fresh spinach leaves, roughly-chopped
12 oz. skim-milk ricotta cheese
1 cup shredded skim-milk mozzarella cheese
½ cup grated Parmesan cheese, plus more for serving
1 large egg
1 tbsp. fresh basil, finely chopped
1 tsp. kosher salt
½ tsp. freshly-ground black pepper
1-¼ cups marinara sauce