Name: Jumbo Snickerdoodle Cookies
Prep time: 20 min
Cook time: 14 min
Total time: 1 h 34 min
Cuisine: American
Ingredients: 1 cup (2 sticks) unsalted butter, softened to room temperature; 2 cups granulated sugar; 2 large eggs, room temperature; 1 tsp pure vanilla extract; 3 1/4 cups all-purpose flour; 1/2 tsp baking soda; 1/2 tsp cream of tartar; 3/4 tsp kosher salt; 4 tbsp granulated sugar; 1 1/2 tsp ground cinnamon

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These Jumbo Snickerdoodle Cookies are thick, soft, and completely irresistible! With their signature crinkly tops, a perfect tangy flavor from the cream of tartar, and a generous coating of cinnamon sugar, these bakery-style cookies are guaranteed to become a new family favorite.

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The Culinary Science Behind Snickerdoodles

Achieving that quintessential bakery-style snickerdoodle with a thick, soft interior and crinkled top relies on key chemical reactions:

Acidic Acidity & Gluten Inhibition (Cream of Tartar): Cream of tartar (potassium bitartrate) is the defining ingredient of a snickerdoodle. Its mild acidity gives the cookie its signature subtle tang while preventing sugar from crystallizing. This retains moisture and inhibits excessive gluten linkage, yielding a tender, pillowy chew.
Rapid Carbon Dioxide Production & Crinkling: Combining cream of tartar with basic baking soda creates a fast-acting chemical leavening reaction. As carbon dioxide gas expands quickly during initial baking, the outer cinnamon-sugar shell sets first. As the center rises and subsequently settles, the crust breaks, creating classic crinkly tops.
Thermal Fat Solidification via Chilling: Large 2-ounce portions of dough spread rapidly if baked warm. Chilling solidifies the butter fats so they melt gradually in the oven, allowing the edges to set and hold height while keeping the center soft and thick.

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Ingredients

1 cup (2 sticks) unsalted butter, softened to room temperature
2 cups granulated sugar
2 large eggs, room temperature
1 tsp pure vanilla extract
3 1/4 cups all-purpose flour
1/2 tsp baking soda
1/2 tsp cream of tartar
3/4 tsp kosher salt

For the Cinnamon Sugar Coating

4 tbsp granulated sugar
1 1/2 tsp ground cinnamon

Step-by-Step Instructions

‫1.Whisk Dry Ingredients:‏Ensures even leavening distribution.

In a medium bowl, whisk together the 3 1/4 cups all-purpose flour, 1/2 tsp baking soda, 1/2 tsp cream of tartar, and 3/4 tsp kosher salt until well combined.

‫2.Cream Butter and Sugar:‏Aerates dough for a light texture.

In a large mixing bowl, beat the 1 cup softened butter and 2 cups granulated sugar together on medium-high speed for 2–3 minutes until light, fluffy, and pale in color.

‫3.Beat Eggs and Vanilla:‏Emulsifies wet ingredients.

Mix in the eggs one at a time, scraping down the sides of the bowl as needed. Beat in the 1 tsp vanilla extract until smooth.

‫4.Combine Dry and Wet Ingredients:‏Avoids over-developing gluten.

Gradually add the dry flour mixture to the wet ingredients, mixing on low speed just until combined. Do not overmix.

‫5.Chill the Dough:‏Essential for thick, bakery-style structure.

Cover the bowl tightly with plastic wrap and refrigerate the dough for about 1 hour, or until firm enough to handle easily.

‫6.Prep Oven and Cinnamon Sugar:‏Prepare spice coating and oven.

Preheat your oven to 350°F (175°C) and line two large baking sheets with parchment paper. In a small bowl, whisk together the 4 tbsp granulated sugar and 1 1/2 tsp ground cinnamon.

‫7.Scoop, Shape, and Roll:‏Coats outer crust completely.

Using a large 2-inch cookie scoop (or measuring roughly 2-ounce portions by hand), shape the chilled dough into thick discs or balls. Roll each piece generously in the cinnamon sugar mixture until completely coated.

‫8.Bake to Perfection:‏Space 2 inches apart.

Place the coated cookies on the prepared baking sheets, leaving plenty of room for expansion (about 8 cookies per pan). Bake for 12–14 minutes. If baking multiple pans at once, rotate them halfway through for even browning.

‫9.Rest and Cool:‏Carryover heat sets centers.

Let the cookies rest on the hot baking sheets for 5 minutes before transferring them to a wire rack to cool completely.

Pro Tips for Success

Don’t Skip the Cream of Tartar: It is the essential ingredient that gives traditional snickerdoodles their classic tangy flavor and creates those beautiful, crinkly tops.
Chill Your Dough: For the absolute best texture, make sure you don’t skip the chilling step. Cold dough prevents these big cookies from spreading out too thin while baking.
Underbake Slightly for Maximum Softness: Take the cookies out when the edges are set and lightly golden, but the centers still look slightly soft. They will finish setting on the hot baking sheet without drying out.

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Frequently Asked Questions

How to make giant snickerdoodle cookies?

To make giant snickerdoodle cookies, use a large 2-inch cookie scoop (or measure out 2-ounce / 1/4-cup portions of dough). Shape the dough into thick balls, roll generously in cinnamon sugar, and chill for at least 1 hour before baking at 350°F for 12–14 minutes. The chilling time and larger dough size keep the centers thick and soft while the edges stay golden.

A snickerdoodle differs from a standard sugar cookie in two primary ways:

Cream of Tartar: Snickerdoodles rely on cream of tartar mixed with baking soda for leavening, which provides their signature tangy flavor and pillow-soft chew.
Cinnamon Sugar Coating: Instead of being rolled in plain sugar or left plain, snickerdoodle dough balls are generously rolled in ground cinnamon and granulated sugar before baking.

How to make jumbo size cookies?

To make bakery-style jumbo cookies:

Portion Large: Use 3 to 4 tablespoons (about 2 to 3 ounces) of dough per cookie.
Chill the Dough: Always chill portioned dough balls so the fats stay firm, preventing excessive spreading.
Adjust Space and Baking Time: Space cookies at least 2 to 3 inches apart on parchment-lined sheets and bake at 350°F, adding 2 to 4 extra minutes to standard baking times until edges are golden and centers remain soft.

What is the secret to soft snickerdoodles?

The secrets to ultra-soft snickerdoodles include:

Using Cream of Tartar: Prevents sugar crystallization, keeping the structure tender.
Chilling the Dough: Keeps the butter cold so the cookies stay thick rather than flattening out.
Slightly Underbaking: Pulling the cookies from the oven when the edges are set but the centers still look soft, letting carryover heat set them on the pan for 5 minutes.