Preheat oven to 350.
Start by placing a layer of sauce (using about 1/3 of it) in the bottom of a baking dish (a standard 9x14 will do, but if you have something bigger, use it. this makes a lot!)
Add a layer of lasagna noodles, overlapping them at the edges (you should use about 1/4 to 1/3 of what you have.
Spread ALL of the ricotta and egg mixture over the noodles
Scatter a generous layer of shredded mozarella (around 2 cups or about half of what you have left) on top of the ricotta
Add another layer of noodles, overlapped at the edges
Add another layer of the sauce (about 1/3 of the total, or about half of what's left)
Scatter another generous layer of shredded mozzarella on top of the sauce (around 2 cups or whatever you have left)
Add a final layer of noodles with edges overlapped
Spread the rest of the sauce on top of the noodles
Layer the mozarella slices on the top