I definitely find meatless meals to be a money saver, but I think that's also dependent on what you have at home!
Some of our recent favorites:
<a href="https://katorade.blogspot.com/2013/04/a-very-long-day-thai-red-curry-roasted.html" targe
These are delicious. Caprese Lasagna Rollups
Potato Tacos - I've made this many times for DH and I (he is vegan and I was prior to pregnancy) and they are so delicious.
Build up your own salads..
Eggs, scrambled, over easy, or even fried egg sandwich and make your own Mcbiscuit or Mcmuffin.
Spagetti without ground beef
I don't know if you consider tuna meat, but we used to do tuna cassero