Pre-heat oven to 375 degrees. Un-roll dough, press into a 12x8 rectangle shape, cut into 24 squares, and place on an ungreased cookie sheet.
Bake for 8-10 minutes, or until golden brown.
Mix cheese, bacon, onions, and mayonnaise together. Place 1 tblsp. shredded lettuce on botton half of 12 crescent squares. Place 1 tblsp. bacon mixture, and 2 slices of cherry tomato on top of lettuce. Cover with remaining crescent squares to make 12 complete sandwiches. Serve and enjoy.