This is from the good folks at Costco.
1Lay bacon pieces evenly over frozen pizza. Bake the pizza as the package directs. When the pizza is cooked, remove it from oven and put on a cutting board. Evenly distribute tomato slices over the bacon
2In a bowl, toss romaine with mayonnaise til evenly coated. Don't do this step until you are ready to eat the pizza. Evenly top pizza with dressed lettuce, makes 8 to 10 servings.