This spinach and beef lasagna with ricotta cheese is a hearty and delicious dish that combines layers of tender beef, creamy ricotta cheese, and nutritious spinach. The beef is cooked with onions, garlic, and Italian seasoning for a flavorful filling, while the spinach adds a pop of color and freshness. The lasagna is then layered with a rich tomato sauce and topped with melted cheese for a satisfying meal. Serve it with a side salad and garlic bread for a complete and comforting dinner.