Giant Soft Chewy Protein Sugar Cookie (Bakery-Style)

These giant protein sugar cookies are soft, chewy, and have a bakery-style texture while delivering a substantial dose of protein in every bite. The small-batch recipe yields two large cookies—perfect for sharing (or not) and ideal for baking with little helpers. They’re quick to make, require no chilling, and freeze well for later treats. Below you’ll find clear ingredient lists, step-by-step instructions, storage tips, variations, and troubleshooting notes to ensure consistent, delicious results.

What makes this recipe great

• High protein: Each cookie contains approximately 23 grams of protein, making these a satisfying way to get extra protein without sacrificing flavor.
• Giant size: The cookies are large and generously portioned—feel free to slice one in half to share.
• Soft and chewy: The texture is intentionally soft in the center with slightly chewy edges, reminiscent of a bakery cookie.
• Small batch: This recipe makes two cookies, perfect for a quick bake or for making treats with a child.

Protein powder matters

For best texture, use a whey-based vanilla protein powder. Whey blends consistently into the dough and keeps the cookies tender. Plant-based powders can produce a denser, drier texture and often require additional liquid or recipe adjustments to achieve the same soft chew. If you prefer a specific brand, choose a vanilla whey powder you like; I’ve had consistently good results with a range of vanilla whey products.

Ingredients you’ll need

• All-purpose flour: The structure of this recipe depends on AP flour, so I don’t recommend substituting other flours without testing adjustments.
• Vanilla whey protein powder: A vanilla whey powder keeps flavor and texture balanced.
• Baking powder: A small amount helps the cookies rise just enough for a bakery-style crumb.
• Brown sugar: Adds moisture, chew, and caramel notes to the dough.
• Coconut oil: Provides tenderizing fat and a slight richness; you can use melted butter instead if preferred.
• Egg: One large egg binds the dough and contributes to the soft texture.
• Vanilla extract: Enhances the cookie’s sweet, vanilla-forward flavor.
• Granulated sugar: Used to coat the exterior for a classic sugar cookie finish.
• Rainbow sprinkles (optional): Add for a funfetti variation—stir in about 1 tablespoon to the dry mix.

Full ingredient amounts are listed in the recipe section below.

How to make a giant protein sugar cookie

1. Preheat the oven to 350°F (175°C). Line a baking sheet with parchment paper and set aside.
2. In a medium bowl, whisk together the dry ingredients: all-purpose flour, vanilla whey protein powder, baking powder, and sprinkles if using.
3. In a separate bowl, combine the wet ingredients: melted coconut oil (or melted butter), brown sugar, egg, and vanilla extract. Whisk until smooth.
4. Fold the dry mixture into the wet ingredients until just combined. The dough will be slightly sticky. Divide into two equal balls (about 4 oz each).
5. Place granulated sugar in a small bowl and roll each dough ball to coat the outside in sugar.
6. Place both cookie balls on the prepared pan, leaving room for slight spreading. Bake for about 10 minutes at 350°F. The edges should be set while the centers remain soft.
7. Remove from oven and let the cookies rest on the hot pan for 1 minute, then transfer to a cooling rack to finish setting. Enjoy warm or at room temperature.

Flavor variations & simple swaps

Funfetti: Stir 1 tablespoon of rainbow sprinkles into the dry ingredients for a festive, colorful cookie. For a chocolate variation, substitute 1 tablespoon of the flour with 1 tablespoon of cocoa powder and consider using a chocolate-flavored whey powder. If you prefer butter to coconut oil, swap 1:1 with melted butter for a more traditional cookie flavor. Keep in mind that swapping protein powder types (whey vs plant) may change moisture needs and texture.

Storage

Allow cookies to cool completely, then store in an airtight container at room temperature for up to 5 days. To preserve texture, layer parchment between cookies if stacking.

Freezer instructions: Cool completely, then place cookies in a freezer-safe bag or container, removing excess air. Freeze for up to 3 months. Thaw at room temperature or warm briefly in a low oven for a fresh-baked feel.

More high-protein dessert ideas

• Protein-packed energy balls made with nut butter and oats
• Protein truffles or cookie dough bites using vanilla whey
• Protein-packed muffins or donut recipes that use whey powder for added protein

FAQs

Do I need to chill the dough?

No. This recipe is designed to be a no-chill cookie—mix, shape, and bake immediately for the intended soft, chewy texture.

How much protein is in one cookie?

Each giant cookie contains about 23 grams of protein, based on the recipe nutrition information. That makes these a satisfying option for a protein-forward treat.

How do I make sure the cookies stay soft and chewy?

Do not overbake. Remove the cookies when the edges are set but the center appears slightly soft—carryover heat from the pan will finish the bake while keeping the center tender. If your oven runs hot, reduce bake time by a minute or two and monitor closely.

Recipe

Giant Protein Sugar Cookie

Servings: 2 | Prep: 15 mins | Cook: 10 mins | Total: 25 mins

Dry ingredients

• 1/4 cup all-purpose flour
• 6 tablespoons vanilla whey protein powder
• 1/2 teaspoon baking powder
• 1 tablespoon rainbow sprinkles (optional)

Wet ingredients

• 2 tablespoons coconut oil (melted) or melted butter
• 3 tablespoons brown sugar
• 1 large egg
• 1/2 teaspoon vanilla extract
• 1 tablespoon granulated sugar (for rolling)

Instructions (concise)

1. Preheat oven to 350°F and line a baking sheet with parchment paper.
2. Whisk dry ingredients together in a bowl. In another bowl, whisk coconut oil, brown sugar, egg, and vanilla.
3. Fold dry into wet until combined. Form into two 4 oz balls.
4. Roll each ball in granulated sugar, place on the pan, and bake 10 minutes.
5. Let rest 1 minute, then transfer to a rack to cool.

Nutrition (per cookie, approximate)

• Calories: 434 kcal
• Carbohydrates: 47 g
• Protein: 23 g
• Fat: 18 g
• Fiber: 0.4 g
• Sugar: 32 g

Nutrition is automatically calculated and should be used as an approximation.

Tips & notes

• I don’t recommend plant-based protein powder for this particular recipe; it tends to make cookies denser or chalkier without further adjustments.
• For funfetti cookies, stir sprinkles into the dry ingredients before combining.
• To adjust sweetness or texture, experiment with small swaps—use a touch less granulated sugar on the exterior, or swap coconut oil for butter for a richer flavor.