This 1 giant double chocolate cookie is what I bake when I want one big bakery-style cookie instead of a full batch. It feels a little dramatic on the baking sheet, but the method is practical: small amounts, one mound of dough, and a center that stays soft after the edges set.
I am careful with the egg and the shape. For one giant cookie, 2 Tablespoons of beaten egg is enough; more makes the dough loose. I also mound the dough high because a flattened start leads to a thin cookie.
The finished cookie is meant to be eaten warm after a short rest, or cooled and cut into wedges. With cocoa powder and chocolate chips, I like the contrast between the chewy middle and the pieces of chocolate chips and optional sprinkles scattered through the dough.
Why I keep coming back to this
- It gives one oversized cookie without a full batch of leftovers.
- The dough comes together quickly with ordinary pantry ingredients.
- A short rest on the baking sheet finishes the soft center.
- The recipe is easy to share, even though I rarely want to.
- The baked cookie freezes up to 3 months.
- It works as a small dessert when I want something fresh.
What you need (and what each one is doing)
- 2 Tablespoons unsalted butter, softened (28g).This is the fat that lets the dough cream by hand.
- 2 Tablespoons granulated sugar (25g).Granulated sugar helps the edges set.
- 2 Tablespoons packed light or dark brown sugar (25g).Brown sugar keeps the middle chewy.
- 2 Tablespoons beaten egg (30ml).This measured egg is the binder.
- 1/2 teaspoon pure vanilla extract.Vanilla rounds out the cocoa.
- 1/4 cup all-purpose flour (31g).Flour gives structure to the single cookie.
- 2 Tablespoons unsweetened natural cocoa powder (10g).Cocoa powder brings the deep chocolate base.
- 1/4 teaspoon salt.Salt keeps the cocoa from tasting flat.
- 1/4 cup semi-sweet chocolate chips (55g).Chocolate chips melt into pockets throughout the cookie.
- 2 teaspoons sprinkles (optional).Sprinkles are optional and mostly for color.
How I make it
Step 1 — Cream and mix
I mix the softened butter with the sugars until creamy, then stir in the measured beaten egg and vanilla. For this version, I add cocoa powder and chocolate chips before the dry ingredients are fully worked in so the flavor spreads through the dough.
Step 2 — Add the dry ingredients
I whisk or stir the flour, leavener, and salt separately when the bowl is small enough. Then I combine wet and dry just until the flour disappears. Overmixing one giant cookie can make it tough.
Step 3 — Fold in the pieces
I fold in chocolate chips and optional sprinkles, saving a few pieces for the top if I want the cookie to look generous. The dough may be sticky, and I leave it that way.
Step 4 — Shape and bake
I place the dough on a lined baking sheet as a tall round mound and bake at 350°F (177°C) for the source time. I look for set edges and a soft center, not a dry middle.
Step 5 — Cool before eating
I let the cookie sit on the baking sheet before cutting or lifting it. That rest is when the center settles into a chewy texture instead of falling apart.
Small details I do not skip
I pay attention to the pan, temperature, and resting time here because one-cookie doughs have very little margin for extra flour, extra egg, or overbaking. The numbers are not decoration; they are what keep the texture where I want it.
I also try to clean as I go. With 1 giant double chocolate cookie, the recipe feels calmer when the measuring cups are out of the way before the final cooling step. That is a small home-cook habit, but it keeps me from rushing the part that matters most.
Tips from my kitchen
- Measure the beaten egg.A whole egg is too much for one giant cookie.
- Shape the dough tall.A high mound spreads into a thick cookie.
- Trust the soft center.It firms on the baking sheet as it cools.
- Use parchment.It protects the bottom and makes lifting easy.
- Do not add extra flour.Sticky dough usually means the cookie will bake chewy.
Variations I have actually tried
- Salted top:Add a few flakes of sea salt after baking.
- Ice cream plate:Serve warm wedges with vanilla ice cream.
- Four smaller cookies:Divide the dough into 4 and shorten the bake, watching closely.
- Extra chips:Press a few pieces into the warm top for a fuller look.
- Gift version:Cool completely, wrap in parchment, and tie with string.
Storing and reheating
I store leftover wedges covered at room temperature for a few days. The edges soften over time, but the flavor stays good.
For longer storage, I wrap the cooled cookie tightly and freeze it up to 3 months. I thaw at room temperature and warm only briefly if I want soft chips.
What I serve with it
Cold milk is the obvious choice, but I also like a wedge with coffee. If I am sharing, I put the warm cookie on a plate and cut it into quarters.
Frequently asked questions
Why only 2 Tablespoons beaten egg?
A whole egg makes one cookie too wet. I beat one egg, measure 2 Tablespoons, and save the rest.
Why shape the dough tall?
A tall mound controls spread and gives a thicker center.
How do I know it is done?
The edges should be set or lightly browned while the center still looks soft.
Can I make smaller cookies?
Yes, divide into 4 smaller cookies and reduce the baking time. I start checking around the halfway point.
Can I freeze it?
Yes. The baked cookie freezes well up to 3 months when wrapped tightly.
If you bake this giant cookie, tell me whether it became one dessert or several strategic slices.
One more thing I have learned with 1 giant double chocolate cookie: I get the best result when I slow down at the beginning and set up every measured ingredient before mixing. It sounds fussy, but it prevents the little mistakes I make when butter is soft, the oven is hot, and I am trying to remember whether the salt already went.
I wrote the method in the order I actually use at home. If a bowl needs scraping, a pan needs lining, or a salad needs dressing at the last second, I call that out because those small moments decide whether 1 giant double chocolate cookie tastes intentional or merely assembled.
1 Giant Double Chocolate Cookie
Description
A single 6-inch double chocolate cookie made with cocoa powder, chocolate chips, and 2 Tablespoons beaten egg.
Ingredients You’ll Need
Instructions
- Mix softened butter, granulated sugar, and brown sugar until creamed. Stir in beaten egg and vanilla.
- Whisk flour, cocoa powder, baking soda, and salt separately, then mix into wet ingredients. Fold in chocolate chips.
- Preheat oven to 350°F (177°C). Refrigerate dough while the oven preheats.
- Line a baking sheet and shape dough into a tall mound. Add sprinkles if desired.
- Bake 18-22 minutes until edges are set and center looks soft. Cool on baking sheet 5-10 minutes. Store covered up to 5 days or freeze up to 3 months.
Nutrition Facts
Servings 1
- Amount Per Serving
- Calories 658kcal
- % Daily Value *
- Total Fat 36g56%
- Saturated Fat 22g111%
- Trans Fat 0.9g
- Cholesterol 64mg22%
- Sodium 1194mg50%
- Potassium 289mg9%
- Total Carbohydrate 84g29%
- Dietary Fiber 2g8%
- Sugars 56g
- Protein 5g10%
- Calcium 37 mg
- Iron 4.5 mg
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
Note
Measure the beaten egg. A whole egg is too much for one giant cookie.
Shape the dough tall. A high mound spreads into a thick cookie.
Trust the soft center. It firms on the baking sheet as it cools.
Use parchment. It protects the bottom and makes lifting easy.
Frequently Asked Questions
A whole egg makes one cookie too wet. I beat one egg, measure 2 Tablespoons, and save the rest.
A tall mound controls spread and gives a thicker center.
The edges should be set or lightly browned while the center still looks soft.
Yes, divide into 4 smaller cookies and reduce the baking time. I start checking around the halfway point.
Yes. The baked cookie freezes well up to 3 months when wrapped tightly.
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