Cook the ground turkey or chicken in a skillet over medium heat until no longer pink, then drain excess fat.
Prepare the spinach by sautéing fresh spinach until wilted or thawing frozen spinach and draining it.
Prepare the spinach by sautéing fresh spinach until wilted or thawing frozen spinach and draining it.
Spread a light layer of marinara sauce on the base of a 9x13-inch baking dish.
Place 3-4 lasagna noodles over the sauce.
Dollop some of the ricotta mixture onto the noodles.
Add a layer of cooked ground meat followed by a layer of spinach.
Sprinkle shredded mozzarella cheese on top.
Repeat the layers until all ingredients are used, finishing with noodles topped with marinara sauce and mozzarella.
Sprinkle grated Parmesan cheese over the final layer.
Preheat your oven to 375°F (190°C).
Cover the lasagna with aluminum foil and bake for 25 minutes.
Remove the foil and bake for an additional 15-20 minutes, or until the cheese is melted and golden brown.
Let the lasagna rest for about 10 minutes before slicing to allow the layers to set.
Reheat individual portions in the microwave or warm them in the oven until thoroughly heated.