01 -
Soak raw cashews in hot water for 30 minutes, then drain thoroughly before use.
02 -
Combine soaked cashews, firm tofu, lemon juice, nutritional yeast, kosher salt, black pepper, and oat milk in a food processor. Blend until creamy and smooth, scraping down the sides as needed.
03 -
Transfer dairy-free ricotta to a medium mixing bowl. Add thawed and well-drained frozen spinach, mixing thoroughly to incorporate.
04 -
Cook jumbo pasta shells in a large pot of salted boiling water according to package instructions until al dente. Drain and rinse with cold water to stop cooking. Set aside.
05 -
Fill each cooked shell with a generous spoonful of the ricotta-spinach mixture, ensuring even distribution among all shells.
06 -
Spread 1 1/2 cups marinara sauce evenly over the base of a large baking dish. Arrange stuffed shells seam-side up in the dish. Pour remaining marinara sauce over the shells. Sprinkle with dairy-free shredded cheese if desired.
07 -
Cover the baking dish with aluminum foil and bake in a preheated 350°F oven for 30 minutes. Remove foil and continue baking for an additional 5–10 minutes until heated through and lightly browned.
08 -
Remove from oven and let rest for 5 minutes. Garnish with fresh basil and serve warm.