San Francisco Mayor Ed Lee used his power to call April 30 “Super Duper Day” and so the dineresque burger joint in the Castro is throwing an annual celebration in their own honor. As an annual celebration of Super Duper Day, SD will offer free mini burgers on Monday, April 30, from 3 p.m. until 100 free burgers are distributed (translation: Four-ounce, all natural Niman Ranch beef patty with cheese, lettuce, tomato, onions, and Super sauce on a toasted sesame bun) to the first 100 people to fall in line at any of SD’s four outposts. Where? All four Super Duper locations: Castro: 2304 Market Street Union Square: 721 Market Street Marina: 2201 Chestnut Street Mill Valley: 430 Miller Avenue More Info Here*
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