Slice Croissant in half horizontally through the middle, creating two equal halves.
Layer tomatoes across the bottom half of the Croissant. Season with S&P.
Stir Tuna well to incorporate liquid. Spread Tuna evenly over the tomatoes, ensuring Tuna evenly covers the surface of the sandwich.
Layer lettuce over the Tuna. Close the sandwich.
Chill to 40°F.
Follow packaging and labeling procedures.
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