This healthy and flavorful lasagna recipe features the goodness of sweet potatoes and kale. Slices of roasted sweet potatoes and sautéed kale are layered with lasagna noodles, marinara sauce, and cheese. The combination of the sweet potatoes and the earthy kale creates a delicious and nutritious lasagna that is perfect for a cozy dinner. Serve it with a side of roasted Brussels sprouts for a complete meal.