1-First Step: Prepare the Pasta Shells Bring a large pot of salted water to a boil. Add the 12-ounce box of jumbo pasta shells and cook for 9 minutes until al dente, not fully soft. They firm up during baking. Drain and rinse under cold water to stop cooking. Lay on a clean towel to dry, preventing sticking. This base holds your holiday pasta filling perfectly. For gluten-free, use certified shells.

2-Second Step: Make the Filling In a large bowl, combine 32 ounces ricotta, 1 cup mozzarella, 1/2 cup Parmesan, 2 eggs, drained spinach, minced garlic, nutmeg, salt, and pepper. Mix until smooth. Taste and adjust seasoning. For vegan, use plant-based swaps. This creamy mix is the heart of your cheesy stuffed shells, ready for stuffing. Spoon about 1-2 tablespoons per shell.

3-Third Step: Stuff the Shells Spread 1 cup marinara in a 9×13-inch baking dish. Fill each shell generously with ricotta mixture, placing seam-side up in the dish. For meat variation, add cooked sausage to filling. Pack snugly for 30-35 shells. This step turns simple pasta into festive Italian stuffed pasta.

4-Fourth Step: Add Sauce and Cheese Pour remaining 48 ounces marinara over shells, covering lightly. Top with 1 cup mozzarella and 1/2 cup Parmesan. Tent with foil to steam initially. For low-cal, use half the cheese. Bake covered for 25 minutes.

5-Fifth Step: Bake to Golden Perfection Remove foil and bake 20-25 more minutes until bubbly and cheese browns. Broil 2 minutes for extra crisp if desired. Let rest 10 minutes. Garnish with basil. Your Christmas stuffed pasta is ready, adaptable for any diet with quick swaps.

6-Final Step: Serve and Enjoy Scoop onto plates with extra sauce. Pair with salad or bread. This classic stuffed shells recipe shines as stuffed pasta holiday dinner centerpiece. Check out this stuffed shells recipe for more inspiration.