01 - Arrange bacon slices in a skillet and cook over medium heat until crisp. Drain on paper towels and set aside.
02 - In a small mixing bowl, combine mayonnaise, Dijon mustard, lemon juice, salt, and pepper. Whisk until smooth.
03 - Lay each flour tortilla flat and evenly spread a thin layer of dressing over the entire surface using a spoon or spatula.
04 - Distribute chopped romaine lettuce, tomato slices, two slices of bacon per wrap, and any optional avocado or red onion among the tortillas.
05 - Fold opposing sides of each tortilla inward, then roll tightly from the bottom up to enclose the filling in a compact wrap.
06 - Individually wrap each assembled BLT wrap in parchment or aluminum foil for refrigeration. Store for up to 3 days.