Short answer is yes.
But no. Bacon would serve as a decent flavor substitute, if used properly, but wouldn't provide close to the same nutritional value as beef or beef and sausage. While still giving a good amount of fat.
I wouldn't use it as a meat substitute but it would probably add some flavor to regular lasagna if used in small amounts.
Yeah https://www.tasteofhome.com/recipes/bacon-colby-lasagna/ this recipe calls for both. It sounds hearty and amazingly delicious. I just figured the bacon would really stand out as a stand alone.
Here is a good recipe I've made a couple times. (geniuskitchen.com)
I usually add a bit more garlic, fresh parmesan and instead of mozzarella I use provolone.
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