The bounty that is the 99 Cents Only Store has blessed us with this fistful of awesome.
Rinse and prepare vegetables as indicated.
Slice and toast bread to desired crispness.
Spread mayonnaise and mustard on bottom slice of bread, only mayo on top slice.
Layer ingredients in this order; bottom slice of bread, onion, bell pepper, tomato, deli meat, cheese, lettuce and top slice of bread.
Put It In Your Mouth.