SeasonalWhile supplies last
Friendly's · Fireside Melt
White American cheese and Tillamook sharp yellow cheddar with grilled chicken, hardwood-smoked bacon, tomatoes and garlic aioli on grilled sourdough, paired with golden fries.
Every sourdough menu item, by chain and by year
Which US restaurant chains put sourdough on the menu, when each launch ran, and who got there first.
Key data
MenuLaunches has tracked 7 sourdough menu launches across 5 US restaurant chains between 2026 and 2026, peaking in 2026-10. The chains that use it most are Friendly's, Arby's, Wingstop, Hardee's.
- Launches
- 7
- Chains
- 5
- Years covered
- 2026–2026
- Peak month
- 2026-10
Launches by month
When chains actually put this on the menu.
- 226-09
- 526-10
Who launched sourdough first in 2026
Ordered by announce date.
| # | Chain | Item | Announced |
|---|---|---|---|
| 1 | Denny's | Spicy All-American Slamwich | September 4, 2026 |
| 2 | Denny's | Mozzilla Melt | September 30, 2026 |
| 3 | Hardee's | Frisco Breakfast Burger | October 5, 2026 |
| 4 | Wingstop | SOUR PATCH KIDS Wicked Punch | October 13, 2026 |
| 5 | Arby's | Loaded Italian Stacker | October 15, 2026 |
| 6 | Friendly's | Harvest Stack | October 21, 2026 |
| 7 | Friendly's | Fireside Melt | October 21, 2026 |
All launches
SeasonalWhile supplies last
Friendly's · Harvest Stack
Sourdough bread piled high with stuffing, garlic red-skin mashed potatoes, grilled turkey breast and a spoonful of cranberry sauce, smothered in turkey gravy.
Test marketWhile supplies last$7.99
Arby's · Loaded Italian Stacker
A sandwich on new mozzarella-topped Stacker Bread with ham, salami, pepperoni, Swiss cheese, banana peppers, red onion, tomatoes, shredded lettuce, red wine vinaigrette, and garlic aioli, available in regular and large sizes.
Limited-time offer7 days left
Wingstop · SOUR PATCH KIDS Wicked Punch
A wing flavor featuring a sour-then-sweet REDBERRY glaze finished with SOUR PATCH KIDS Bitz, created in collaboration with the SOUR PATCH KIDS candy brand and available across all proteins.
Limited-time offerWhile supplies last
Hardee's · Frisco Breakfast Burger
A limited-time breakfast burger with a charbroiled Angus beef patty, a cracked egg, cherrywood-smoked bacon, American cheese, and crispy hash rounds on toasted sourdough bread, available in specific markets.
New permanent5 days left
Denny's · Mozzilla Melt
A sandwich made with grilled sourdough bread, golden-fried mozzarella sticks, melted American and provolone cheese, served with tomato sauce for dipping and a side of wavy-cut fries. It is a new version of the chain's former Fried Cheese Melt.
New permanentPermanent
Denny's · Spicy All-American Slamwich
A breakfast sandwich made with scrambled eggs, bacon, pickled jalapeños, American cheese, and hash browns on grilled sourdough bread.