CK-002Pumpkin chocolate chip cookie barsCookie · Bar
Rev 032026-09-281 / 3

Pumpkin chocolate chip cookie bars

Brown butter, pumpkin and warm spice. No eggs, so the bars stay dense and chewy.

SourceNYT Cooking · Adapted, metricContainsWheat · Milk · SoyLast changeRev 01 · First issue
Equipment23 × 33 cm metal or glass pan · Parchment sling · Light-colored saucepan · 0.1 g scale
Yield · 9 × 13 in pan24 squares
Dough1,329 g
Sugar ÷ flour120%
Bake30–45 min
Oven · 325 °F165 °C

Formula

% · flour = 100

Teaspoon amounts are converted to grams; weigh them on a 0.1 g scale.

Salt by weight: 1 tsp Diamond Crystal ≈ 3 g. Other brands are denser by the spoon.

† Doesn’t scale in a straight line. Past 2×, trial spices and leavening first.

Scale by pan
9 × 13 in× 1 · 24
Half sheet× 1.75 · 42
Ingredient%GramsScaled ×
A  Brown butter
Unsalted butter · weigh before browning53.1170
B  Wet
Light brown sugar · packed120.3385
Pumpkin purée · not pie filling53.1170
Vanilla extract †2.58
C  Dry
All-purpose flour100.0320
Ground cinnamon †1.65
Baking soda †1.96
Baking powder †1.34
Kosher salt · Diamond Crystal0.93
Ground ginger †0.62
Ground cloves †0.20.5
Ground nutmeg †0.20.5
D  Chocolate · bittersweet or semisweet chips, check label
Chips, into the dough67.5216
Chips, on top12.239
Total dough415.31,329
Continues on pages 2–3: method, cut map, done when, trials, revisions, batch log →
CK-002Pumpkin chocolate chip cookie barsCookie · Bar
Rev 032026-09-282 / 3

Method

Tick each step as done
  1. 01

    Brown butter. Melt in a light saucepan, stirring, until foamy, light amber and nutty.

    3–4 min
    after melting
  2. 02

    Cool. Scrape the butter and browned bits into a large bowl. Cool until warm, not hot.

    20 min
    Warm
  3. 03

    Prep. Heat the oven. Grease the pan and lay a parchment sling over the long sides (fig. 1).

    —
    165 °C 325 °F
  4. 04

    Wet. Whisk part B into the butter until smooth and glossy.

    1 min
  5. 05

    Dry. Add part C and stir just until no flour pockets remain. Stir in the dough chips.

    —
    Don’t overmix
  6. 06

    Press. Press into an even layer with oiled hands. Press the top chips in.

    —
    39 g on top
  7. 07

    Bake. Until puffed and lightly browned; a skewer shows moist crumbs or melted chocolate.

    30–45 min
    165 °C 325 °F
  8. 08

    Cool + cut. At least 1 h in the pan. Lift out by the sling and cut 6 × 4 (fig. 1).

    1 h
    24 squares

Cut map

Drawn to scale
1 2 55 mm 58 mm
Fig. 1 Black = pan; hatched = parchment tabs to lift by; dashed = cuts, 6 × 4, only after the full hour.

Done when

And how it keeps
Done when
TopPuffed, lightly browned
SkewerMoist crumbs or chocolate
Keeps
Room temp5 days, airtight
CutAfter 1 h in the pan
CK-002Pumpkin chocolate chip cookie barsCookie · Bar
Rev 032026-09-283 / 3

Trials

Change one variable per trial

B tests the altitude rule for 4,700 ft.

VariableTrial ATrial BTrial C
Date
ChangeAs writtenSoda + powder −20%Half sheet, × 1.75
Bake time
Staff rating 1–5

Revisions

Newest last
RevDateChangeFrom
Rev 012026-09-26First issue, adapted from NYT Cooking—
Rev 022026-09-27Revisions and batch log on page 3Review
Rev 032026-09-28Generated cut mapReview

Batch log

Fill in by hand
Date
Batch ×
Pan
Oven
Bake time
Rested before cut
Served
Notes