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The Underground Menu is taking the mainstage for Potbelly (NASDAQ: PBPB)…and it’s going to be a big deal on National Meatball Day.  

Exclusively online and through the app, starting March 9, National Meatball Day, until April 3, Potbelly is calling on all meatball sandwich fans to celebrate the holiday with select items from its secret menu. Plus, the brand is inviting its Perks Rewards members to triple down on its toasty creations by trying all three of its limited time meatball sandwiches during the promotional timeframe for an added reward. Part of the brand’s famous Underground Menu, the three off-menu meatball sandwiches served during the promotion include: 

  • Sicilian – an Italian sandwich plus meatballs, mushrooms, marinara and provolone cheese
  • Wrecking Ball – A Wreck sandwich plus meatballs, marinara and provolone cheese
  • Fireball – Meatballs, chili, cheddar cheese and Potbelly’s signature hot peppers 

“We wanted to go bigger this year for National Meatball Day” said David Daniels, Chief Marketing Officer at Potbelly Sandwich Works. “Our fans have been asking us to bring back our underground menu. We heard them and are tripling down this month with three exclusive meaty favorites that are sure to satisfy their toasty taste buds”. 

On March 9 only, Potbelly Perks members receive 500 bonus points on orders that include any meatball sandwich. Then from March 9 until April 3, Perks members can complete the “Meatball Madness Menu Challenge”, by purchasing any three meatball sandwiches (Mama’s Meatball, Pizza Melt, Fireball, Wrecking Ball or Sicilian) to earn a Perk for a free Original size sandwich. Perks members are able to earn this reward multiple times, for every three-meatball sandwiches purchased online or in the app between March 9 and April 3. 

However, the good vibes don’t stop on April 3, fans can join Potbelly Perks to earn even more free sandwiches, cookies and special offers throughout the year. To sign up for the Potbelly Perks reward program, visit For more information on Potbelly, visit 

About Potbelly

Potbelly Corporation is a neighborhood sandwich concept that has been feeding customers’ smiles for more than 40 years with warm, toasty sandwiches, signature salads, hand-scooped ice cream in creamy shakes, customized just the way customers want them. Potbelly promises Fresh, Fast & Friendly service in an environment that reflects the local neighborhood. Since opening its first shop in Chicago in 1977, Potbelly has expanded to neighborhoods across the country, with more than 400 company-owned shops in the United States. Additionally, Potbelly franchisees operate over 40 shops in the United States. For more information, please visit our website at