You can find numerous recipes for spinach lasagna out there, yet this version manages to stand out because of its simplicity and abundant use of cheese. It's indeed a decadent treat, but the spinach nicely balances all the richness, making it seem simpler than ever to incorporate your greens.

This recipe requires sautéing fresh spinach before incorporating it with ricotta and Parmesan, which are then nestled amongst the lasagna layers. It's essential to squeeze the spinach as dry as you can to retain the ideal lasagna texture.

A common concern is that the spinach might release a lot of water during the cooking process making your lasagna watery. Yes, this indeed is a potential issue. To counteract this, arrange for cooked spinach which has been well-drained prior to adding it to your mix. Stick to a moderate amount of sauce and remember to let your lasagna rest post baking, allowing it to firm up to perfection.

Frozen spinach can be used as a substitute. Just ensure it has been thoroughly wrung out with a clean kitchen towel before use.

How to efficiently get rid of excess water from spinach? Either squeeze or press it between paper towels or a fresh kitchen cloth. Another option is using a fine-mesh strainer to drain and press out the moisture.

Once your spinach lasagna is prepared, it can be stored in the freezer for up to 2 months. Wrap it tightly in plastic wrap and then aluminum foil, or better still, transfer portions into freezer-friendly containers. Thaw overnight in the refrigerator and reheat in the oven when ready to serve.

A practical step-by-step guide on how to prepare the delightful spinach lasagna can be found below. The ingredients include olive oil, sweet onion, kosher salt, black pepper, fresh baby spinach, whole-milk ricotta cheese, Parmesan cheese, an egg, unsalted butter, garlic cloves, all-purpose flour, whole milk, Gruyère cheese, ground nutmeg, uncooked lasagna noodles, whole-milk mozzarella cheese.

Remember, the key to a great spinach lasagna is managing the moisture content of the spinach and allowing the lasagna to set after baking. With these tips, you are sure to impress your guests with your cooking prowess.