Heat oven to 425°F.
Cut onions, tomatoes, jalapenos and black olives.
Shred cheese.
Use a glass casserole dish, spread 1/2 of chips evenly on sheet.
In a frying pan, saute 1/2 of the onions in oil and then add the veg. meat, re-fried beans and taco spice.
Spoon bean mixture, vegetables and both cheeses over chips, layer the remaining chips repeat again.
Bake until cheese melts, 5 to 6 minutes.
Serve nachos with salsa and guacamole, and if desired, hot sauce! Cheers!