Prepare Texas toast according to package directions.
Prepare onion rings according to package directions.
Spray a large nonstick skillet with cooking spray, and heat over medium-high heat. Add meat loaf slices, and cook 5 minutes. Turn, brush evenly with barbecue sauce, and cook 5 minutes more or until thoroughly heated.
Top each slice of toast evenly with meat loaf slices, coleslaw, and onion rings. Serve immediately.
Note: For testing purposes only, we used Pepperidge Farm Five Cheese Texas Toast and OreIda Vidalia O's.
