Sounds like a decent place to eat, too bad they aren't within boating distance.
Someone might want to do Lakeside Famous Roast Beef a favor and let them know their business is not in good standing with the state; they need to file the current annual report due with the NH Secretary of State's office.
Also, according to the Secretary of State's office, there is no Gilford House of Pizza registered with their office, not now and not in the past 40 yrs or so.