Case studyBrown Bag BBQ · Food + ads

One hero.
A whole campaign.

How a custom-trained model and a locked prompt system gave Brown Bag BBQ studio-grade food ads for every menu item, without a single photo shoot.

See the work Read the story
AI-generated brisket sandwich with pickles and sauce on a rustic wooden board, the campaign hero image
Generative AI image  The first sandwich that set the tone for the campaign.
1
Master prompt
Every image, one system.
50
Story ads delivered
Across the menu.
10 days
Brief to launch
All 50 ads, start to finish.
0
Photo shoots
No studio, stylist or set.
Client
Brown Bag BBQ
Role
Creative direction, production
Deliverables
Hero imagery, story ads
Year
2025
Tools
ComfyUI + custom-trained BBQ LoRA
01 — The ask

Make people hungry in one second.

Brown Bag BBQ delivers prepared lunches, and its ads live in social feeds where food gets about a second to land. The brand needed hero-quality shots across the whole menu, in one recognizable look.

A traditional shoot means a stylist, a photographer and a studio day, then another invoice every time the menu changes. That doesn't scale for a lunch brand.

02 — The insight

Lock the style. Swap the subject.

Anyone can get one good image. The hard part is the tenth matching the first. So the prompt is built like a photographer's setup, where only the food changes. Select a layer to see what it controls.

Master prompt · layers
Prompt · hero_brisketSimplified for illustration

a towering brisket sandwich, bark-crusted slices, pickle coins, glossy brioche bun, matte black surface, black backdrop, single soft key light from upper left, deep shadow falloff, macro lens, eye level, shallow depth of field, dark, rich, appetizing.

01 · Subject

The only variable. Swap it, and a new menu item is ready.

Changes per image
03 — The build

Not prompts. A production system.

  1. 1

    Brand bible

    Light, lens, palette, mood and props, defined once for the account.

  2. 2

    Master prompts

    Templates that lock the style and swap only the subject.

  3. 3

    Model match

    Benchmarking models to find the one that renders food best.

  4. 4

    Quality pass

    Texture, physics and stray artifacts checked frame by frame.

  5. 5

    Composite

    Type, layout and retouching into channel-ready ads.

04 — The work

One hero. A family of ads.

A new menu item meant a new subject line in the template, not a new shoot.

Exploded brisket ad with labeled layers
Ad 01 — Brisket, exploded view
Sliced brisket on a cutting board under the headline Lunch like you mean it
Ad 02 — Sliced brisket
Barbecue sandwich topped with slaw on a brioche bun
Ad 03 — Sandwich with slaw
Woman laughing with eyes closed, holding a brisket sandwich
Ad 04 — The first bite
Why it works
A

The exploded view turns a product shot into a product story.

B

It looks so good you can taste it. Glistening bark, curling smoke and warm light make the food the headline.

C

The last ad sells the feeling, not the food: the eyes-closed, can’t-help-it moment a great sandwich gives you.

05 — The impact

I can’t believe how detailed the food looks in the ads. I’d never be able to afford a shoot of this quality.

Chris BarnesOwner, Brown Bag BBQ
50
Ads in market
80%+
Less than a photo shoot
1 day
New item turnaround
0
Photo shoots
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