Step 1

Cook bacon in a heated large frying pan until crisp; drain on paper towel. Tear bacon into coarse pieces.

Step 2

Toast bread slices until lightly browned.

Step 3

Spread 8 slices of toast with mayonnaise; spread remaining toast with mustard. Top four mayonnaise toast slices with bacon, avocado, then mustard toast slices, mustard-side down. Top with turkey and lettuce then remaining toast, mayonnaise-side down.