Hard Rock Cafe (Mayfair) -- This is a great place for kids old enough to busy themselves with rock-and-roll memorabilia as they wait for their familiar burgers, fries, and salads with Thousand Island dressing.
Porters English Restaurant (Covent Garden & the Strand) -- This restaurant serves traditional English meals that most kids love -- especially the pies, stews, and steamed "spuds." They'll get a kick out of ordering the wonderfully named bubble-and-squeak (that's cabbage and potatoes) and mushy peas.
Royal China (Paddington & Bayswater) -- If there's a dim sum lover in your family, head for this eatery. We saw a young brother and sister devouring a dish of seafood golden cups -- stir-fried scallops, prawns, water chestnuts, and mushrooms in crispy puff pastry.
Simpson's-in-the-Strand (Covent Garden & the Strand) -- If your offspring is an aspiring Henry VIII, take him here for the best roasts in London, including tender roast sirloin of beef. For dessert, he might be introduced to such English favorites as treacle rolls.
Ye Olde Cheshire Cheese (the City) -- Fleet Street's famous chophouse, established in 1667, is an eternal favorite. If "ye famous pudding" turns your kids off, sandwiches and roasts will tempt them.