Grab breakfast, lunch and more at these bastions of classic American cuisine

South Street Diner (178 Kneeland St., 617-350-0028, southstreetdiner.com): Looking for great grub—from tuna melts to omelets to French toast—
in the wee hours of the morning? Then this Leather District mainstay, open since the 1940s, is the only game in town, running 24/7, 365 days a year.

Mike’s City Diner (1714 Washington St., 617-267-9393, mikescitydiner.com): A popular South End breakfast and lunch stop for nearly two decades, Mike’s has drawn raves for its huge portions and low prices. It’s even been endorsed by Bill Clinton! 

Mul’s Diner (75 West Broadway, 617-268-5748): This old-school diner in South Boston is a hidden gem. Open for breakfast and lunch, Mul’s features classic diner decor and a friendly vibe, along with specialties like the creme brulee French toast.

My Diner (98 A St., 617-268-9889, astreetmydiner.com): Large portions of home-cooked goodness at unheard-of prices are what you’ll find at this South Boston hole-in-the-wall that offers everything from waffles and pancakes to chicken teriyaki and turkey dinners for both breakfast and lunch.

Rosebud American Kitchen & Bar (381 Summer St., Somerville, 617-629-9500, rosebudkitchen.com, pictured): This recently re-tooled icon in Davis Square, open for dinner and weekend brunch, still boasts its vintage dining car facade, yet the menu offers modern takes on American regional fare (think barbecue, fried catfish and grits), along with home-baked pies and creative cocktails.