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# The Big "20" at Digger's Diner
- URL: https://onesandwich.com/concord-digger-s-diner-the-big-20/
- Published: 2026-10-06T23:25:47.000Z
- Updated: 2026-10-06T23:25:47.000Z
- Description: Hand-formed beef patty with chopped bacon, jalapeños, fresh garlic and cheddar cheese, bacon, cheddar cheese, spicy house mayo on bun. Sandwich Score 50, solid. At Digger's Diner, Concord.
- Author: Andrew Lekashman
- Tags: USA, California, #shop-sandwich, #auto-imported

A burger at [Digger's Diner](https://onesandwich.com/concord-digger-s-diner/), a restaurant in Concord, California.

Burger BunChipotle MayoCheddar CheeseBaconBeefBurger Bun

**50**

Sandwich Score  
out of 100 · solid

Solid, with one move worth +35.

A burger with layers outside the form; four of six roles.

**Holding the summit:** balance 0.80 or better

Balance

25

Harmony

95

Contrast

60

Structure

88

Focus

100

Composition

67

Quality

78

Envelope

99

More fat than 90% of the catalog.

Each bar is one pillar of the score, 0 to 100\. The tick marks what a sandwich at the summit needs; an amber bar is the one holding this sandwich back.

**bun**, toasted: hand-formed beef patty with chopped bacon, jalapeños, fresh garlic and cheddar cheese; bacon; cheddar cheese; spicy house mayo.

## Balance

salt1.9 · 85thacid0.4 · 44thfat3.6 · 90thsweet0.2 · 30thumami2.3 · 84thheat0.4 · 81stbitter0.0

__Flavor axes__
| Axis   | Value | Catalog percentile |
| ------ | ----- | ------------------ |
| salt   | 1.9   | 85th               |
| acid   | 0.4   | 44th               |
| fat    | 3.6   | 90th               |
| sweet  | 0.2   | 30th               |
| umami  | 2.3   | 84th               |
| heat   | 0.4   | 81st               |
| bitter | 0.0   | n/a                |

**73** Balance, out of 100

The seven flavor axes of the whole sandwich, each summed across its layers. The shaded ring is the catalog's middle 80%; the small number under each axis is where this sandwich falls in the catalog. A shape that sits inside the ring is in the range most sandwiches live in; a spike past it is where this one stands apart.

## What each layer brings

| Layer                                                                                               | Role    | Flavor and texture                    | Points    |
| --------------------------------------------------------------------------------------------------- | ------- | ------------------------------------- | --------- |
| bun (low tier)scored as Burger Bun                                                                  | bread   | sweet 2 soft springy                  | the frame |
| hand-formed beef patty with chopped bacon, jalapeños, fresh garlic and cheddar cheesescored as Beef | protein | fat 3 umami 3 juicy chewy tender      | **+1**    |
| bacon                                                                                               | protein | fat 4 salt 3 umami 3 crispy chewy     | **−3**    |
| cheddar cheese                                                                                      | protein | fat 4 salt 3 umami 3 soft gooey melty | **+4**    |
| spicy house mayoscored as Chipotle Mayo                                                             | sauce   | fat 5 heat 2 creamy saucy             | **−1**    |

Points: what the Sandwich Score would lose if that one layer were left out, everything else the same. A negative number means the sandwich scores higher without it. Flavor runs 0 to 5 on each axis.

## Pairings

- **Beef + Cheddar Cheese**: the cheeseburger pair: sharp on seared beef
- **Bacon + Cheddar Cheese**: bacon cheddar: smoke and sharp, burger law
- **Bacon + Chipotle Mayo**: smoke on smoke, chipotle and bacon
- **Cheddar Cheese + Chipotle Mayo**: smoky heat in sharp fat, the southwest melt

## How to raise it

Commodity bread (burger bun): nothing on the board changes that, and 90 is closed.

[All the sandwiches at Digger's Diner](https://onesandwich.com/concord-digger-s-diner/) · [The menu this was read from](https://www.diggersconcord.com/menus/?ref=onesandwich.com) · [Build your own in the Sandwich Builder](https://onesandwich.com/builder/)

Menu read 2026-09; items and prices change. The score is the site's opinion of the recipe as listed, not a review of the shop; tiers and house-made marks follow the menu's own wording.