1. Sauté onions and mushrooms in oil until onions are transparent and mushrooms are soft.
2. Add ground meat and stir until meat forms clumps.
3. Add salsa or marinara sauce and simmer for 20 minutes.
4. Smear mixture onto wraps and roll up blintz-style.
5. Place wraps in a nine- by 13-inch pan and bake at 350 degrees Fahrenheit for 40 minutes, or until wrap is browned and crispy; check periodically.