I passed Large Plain numerous times before finally trying it. After all, it's a memorable name but having the word Plain in the title isn't encouraging to the passer by. While the Spinach and Chicken pizza has become my favorite and I tend to stick to it, my housemate has tried a variety of orders and is pleased each time. Large Plain is a good, reliable pizza place - a much better option than the national chains for price, delivery times, and flavor.
My only critique is one I have of many delivery joints: there is a good chance they will forget your drink order so order cautiously. One lucky time he had just forgotten them in the car, but the delivery man has show up more than a couple of times without the beverages. Remember what you ordered when he shows up and check your food before he goes.