QDOBA Mexican Eats is leaning into condiment-driven traffic-building this fall, launching a seasonal promotional platform called Diptember that runs September 1 through November 2 across its 870-unit fast-casual system. The headline LTO is Queso Fundido — the chain's 3-Cheese Queso topped with seasoned ground beef, picante ranch and fresh cilantro — served with freshly fried, in-house-seasoned tortilla chips starting at $6.25.

The LTO Lineup

Queso Fundido anchors a 14-item dip, salsa and sauce roster that QDOBA is spotlighting systemwide. The chain is also debuting Churro Chips Chocolate Dip — its first sweet dip, priced from $2.75 — to complement its recently launched Churro Chips dessert item. Both additions carry limited-time status at participating locations while supplies last. The full Diptember lineup spans Hand-Crafted Guacamole, Queso Diablo, Picante Ranch, Chile Crema, Fiery Habanero Salsa, Salsa Verde and eight additional sauces and salsas, all available at no upcharge when added to create-your-own entrées.

Digital-First Promotion Mechanics

The campaign is structured to drive digital order conversion. A launch offer — $2 off any digital order featuring Queso Fundido — ran September 1 through 6 using code FUNDIDO exclusively through the QDOBA app or website, with no redemption on third-party delivery platforms. Two food-holiday activations extend the digital push: National Guacamole Day (September 16) and National Queso Day (September 20) each unlock a free 4 oz. chips-and-dip with purchase of a regular entrée via codes GUACDAY and QUESODAY, available both digitally and in-restaurant at participating units.

The promotional architecture reflects a broader fast-casual industry pattern of using app-exclusive offers to build first-party data and reduce reliance on third-party delivery marketplaces, where commission structures compress store-level margins. Competitors including Chipotle Mexican Grill and Moe's Southwest Grill have pursued similar daypart and digital-engagement strategies tied to food holidays and seasonal LTOs. For a 870-unit chain operating across 46 U.S. states plus Canada, Puerto Rico, Japan and South Korea, a nine-week promotional window with rolling offer drops is a cost-efficient mechanism to sustain transaction frequency without broad discounting.

Operator and Category Context

"Customization is at the heart of the QDOBA experience," said Chef Katy Velazquez, VP of Culinary Innovation at QDOBA. "With 14 dips, salsas, and sauces available across our menu, guests can create a different flavor experience every time they visit."

The Diptember platform also carries catering implications. Queso Fundido is available as a standalone side and as part of catering orders via a Chips & Dip Party Pack or Hot Bar add-on — a channel that fast-casual operators have prioritized as off-premise revenue, particularly for group occasions, continues to outperform dine-in traffic trends. QDOBA's clean-label positioning — ingredients free of MSG and artificial colors — is a relevant differentiator for both catering buyers and individual guests navigating ingredient-transparency expectations. Operators tracking menu innovation trends in fast casual will note that QDOBA's sweet-dip expansion represents a low-capital daypart stretch into dessert, a segment where LTO-driven check enhancement has shown consistent attach-rate lift across the category.

Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.