Cook lasagna noodles until just under al dente and set aside.
In a skillet, brown ground beef with garlic. Drain excess fat and stir in marinara sauce.
In a bowl, mix ranch dressing, Parmesan, and crumbled bacon.
In a baking dish, layer beef mixture, noodles, bacon-ranch blend, and mozzarella. Repeat layers.
Cover with foil and bake at 375°F for 30 minutes. Uncover and bake 10 more minutes.
Let rest 5 minutes before slicing and serving.
