INGREDIENTS: 16 jumbo pasta shells (Cook a couple of extra shells to allow for a few breaking while the pasta cooks.) 1–1/2 tbsp olive oil 2 tsp fresh garlic, minced 4 cups (packed) fresh spinach leaves, roughly-chopped 12 oz skim-milk ricotta cheese 1 cup shredded skim-milk mozzarella cheese 1/2 cup grated Parmesan cheese, plus more for serving 1 large egg 1 tbsp fresh basil, finely chopped 1 tsp kosher salt 1/2 tsp freshly-ground black pepper 1–1/4 cups marinara sauce INSTR