What makes chocolate chip cookies thin and crispy?

Mostly size. The recipes that measured as crispy average 35 g of dough per cookie against 50 g for the chewy ones. A smaller cookie has more edge relative to middle, and the edge is the part that dries out. Beyond size, the one formula lever we can measure directly is butter: more of it pushes a cookie to spread further and bake thinner.

Can cookies have crispy edges and a soft centre?

Yes. Across the recipes we measured, how crisp the edge is and how set the middle is are effectively unrelated, so one does not cost you the other. A larger cookie baked hotter and pulled slightly early does both.

Does more sugar make cookies crispier?

It depends which sugar. We do not have a measured link between the brown-to-white ratio and how far a cookie spreads. What bakers who changed only their sugar mix did show us: more brown sugar tracks with a crisper edge, not a softer one, while the middle turns more tender at the same time. If you want the cookie thinner as well, that is a butter question, not a sugar one.

21 of the 85 recipes we compared

Thin & crispy chocolate chip cookies

The biggest difference between a crisp cookie and a chewy one is not an ingredient. It is how much dough you put on the tray.

Thin, even snap all the way through. Spreads wide, bakes dry. Everyone writing about this reaches straight for the sugar. The crispy recipes we measured are a third smaller than the chewy ones before you change a single ingredient, and that turns out to be the mechanism, not a coincidence.

35 gAverage crispy cookie

50 gAverage chewy cookie

21Crispy recipes

7,124Reviews read

Mshuang2 · CC0

The part nobody leads with

Crisp is mostly a size decision

A smaller cookie has more edge for the amount of middle, and the edge is the part that dries out.

This is why the same dough can give you two different cookies. Scoop it small and most of what you bite is edge: set, dry, snapping. Scoop it large and the middle stays wet long enough to stay soft while the rim finishes. Before you change one gram of sugar, change the scoop.

Average dough per cookie, by the texture group each recipe measured into. These are published recipes grouped by their formula, not one dough portioned three ways.
Texture group	Dough per cookie	Based on
Crispy	35 g	20 recipes
Chewy	50 g	53 recipes
Cakey	78 g	9 recipes

Then the formula

Two levers, measured

Each of these was read from cooks who changed one thing and said what happened. Direction and rank only. We will not tell you how wide the result will be.

Leavening: less of it gives you a thinner, wider cookie. 242 bakes
Sugar: more of it gives you a thinner, wider cookie. 367 bakes

More butter is the one formula lever we can measure directly, and it runs on the same mechanism that causes flat cookies by accident: warm butter frees its water early, so the dough spreads before the oven can set it. Overshoot the spread you are chasing here, and our page on cookies going accidentally flat is the way back.

The pick

The closest recipe to the middle of crispy

Of the 10 crispy recipes with enough ratings to choose between.

Finished thin and crispy chocolate chip cookies.

Best of the 21

Chocolate Chip Cookies Recipe

from preppykitchen.com 4.95 661 cooks rated it

It portions at about 35 g a cookie: small, which per the evidence above is most of what makes a cookie crisp. Its sugar also sits low on brown.

10 minHands on

1 hrWaiting

32Makes

35 gEach

170Kcal

beginnerLevel

See the recipe ↓ Open the original ↗

The recipe

Chocolate Chip Cookies Recipe

Weights are ours. Portion small and give them room. They will spread further than you expect, which is the point.

Ingredients

2½ cups all-purpose flour (300g)300 g
¾ teaspoon baking soda3.4 g
¾ teaspoon salt4.5 g
1 cup unsalted butter (softened (227g))227 g
¾ cup light brown sugar (165g)165 g
½ cup granulated sugar (100g)100 g
1 large egg50 g
1 tablespoon vanilla extract13 g
1½ cups semisweet chocolate chips ((or chocolate chunks) (270g))270 g

Method

Preheat the oven to 350°F. Line two baking sheets with parchment paper or a silicone mat.
In a medium bowl, whisk together the flour, baking soda, and salt.
In the bowl of a stand mixer with the paddle attachment or a large mixing bowl with a handheld mixer, combine the butter and sugars. Beat on medium-low speed until very light and fluffy, about 5 minutes.
Add the egg and vanilla. Beat until well combined, scraping down the sides of the bowl.
With the mixer on low, gradually add the flour mixture. Beat just until combined. Stir in the chocolate chips.
Using a 1½-tablespoon scoop, scoop the dough into balls and place on the prepared baking sheets. Press more chocolate chips on top. (If desired, chill the dough balls for 1 hour, or cover and chill for up to 72 hours.)
Bake for 12 to 14 minutes or until the edges are golden brown. (If you’ve chilled your cookies, bake for 13 to 15 minutes.) For best results, bake one sheet at a time. Immediately sprinkle cookies with flaked salt, if desired.
Let the cookies cool on the pan for 5 to 10 minutes. Finish cooling on a wire rack. Store any leftovers in an airtight container for up to 5 days.

This recipe is Chocolate Chip Cookies Recipe by preppykitchen.com. It is their work, reproduced so you can bake from one page. The gram weights beside each ingredient are ours.

The whole group