Introduction

In the competitive world of baking, the “perfect” cookie is often a matter of architecture. While some prefer the thin, lacy crisp of a butter-heavy wafer, there is a devoted following for the Plump Chocolate Chip Cookie—a tall, soft, and substantial bake that mimics the texture of a high-end bakery. The secret to achieving this height lies in the structural integrity of the dough, specifically the use of cornstarch and a higher baking temperature.

By integrating cornstarch into the flour blend, we soften the harsh proteins of the wheat, resulting in a tender “crumb” that remains thick rather than spreading across the pan. Furthermore, baking at 375°F creates a rapid “oven spring,” setting the edges of the cookie quickly while leaving the center soft and voluminous. This recipe isn’t just a treat; it is a masterclass in cookie physics, delivering a bite that is chewy, rich, and visually impressive. Whether you add the crunch of chopped nuts or stick to the classic chocolate-on-chocolate profile, these cookies are designed to stand tall on any dessert platter.

Ingredients

For the best results, ensure your butter and eggs are at room temperature to create a stable emulsion during the creaming process.

• 1 cup Butter: Softened (unsalted is preferred to control salt levels).
• 1 cup Granulated Sugar: For crisp edges and sweetness.
• 1 cup Brown Sugar: Packed; the molasses content provides the chewy center.
• 2 Large Eggs: The primary protein binder for the dough.
• 2 tsp Vanilla Extract: For that classic, aromatic bakery scent.
• 1 tsp Baking Powder: Provides the “lift” and height.
• 1 tbsp Cornstarch: The secret ingredient for a soft, “plump” texture.
• 2 3/4 cups All-Purpose Flour: The structural foundation.
• 1 bag (12 oz) Chocolate Chips: Semi-sweet or milk chocolate.
• 1 cup Chopped Nuts (Optional): Walnuts or pecans pair beautifully with this thick dough.

Instructions