01 -
Heat a skillet over medium heat or preheat your oven to 200°C. Cook the bacon slices until evenly golden and crisp, ensuring all fat is rendered. Transfer the bacon to a paper towel-lined plate to drain excess grease.
02 -
Slice the tomato crosswise using a serrated knife into 8–9 mm thick rounds. Arrange the slices in a single layer on doubled paper towels to absorb moisture. Season both sides lightly with kosher salt and freshly ground black pepper.
03 -
Toast the bread slices until they reach a light golden brown color for optimal texture.
04 -
Spread 1 tablespoon mayonnaise evenly over each slice of toast. Place the romaine lettuce leaf on one slice, folding to fit. Top with seasoned tomato slices in a single layer. Halve the bacon slices and layer atop the tomatoes. Complete the sandwich with the second slice of bread, mayonnaise side facing inward.
05 -
Gently compress the sandwich. Using a serrated knife, slice in half and serve immediately.