Ingredients
- 1 1/4 cups all-purpose flour
- 3/4 cup cake flour
- 1 teaspoon cornstarch
- 1/2 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, cubed
- 1/2 cup packed brown sugar
- 1/4 cup granulated sugar
- 1 large egg
- 1 large egg yolk
- 1 teaspoon vanilla extract
- 7 sheets graham crackers, broken into pieces (6 for dough, 1 for garnish)
- 10 oz Hershey’s chocolate bars, chopped (9 oz for dough, 1 oz for garnish)
- 1 cup chocolate chips (milk or semi-sweet)
- 4 large marshmallows, halved
- Flaky sea salt, optional for garnish
Instructions
- Preheat oven to 375°F (190°C) and line two baking sheets with parchment paper.
- In a large bowl, whisk together all-purpose flour, cake flour, cornstarch, baking soda, baking powder, and salt.
- In a stand mixer, cream butter, brown sugar, and granulated sugar for 2–3 minutes until fluffy.
- Add the egg, egg yolk, and vanilla extract; mix until combined.
- Gradually add the dry ingredients to the wet mixture until a dough forms.
- Fold in graham cracker pieces (6 sheets), 9 oz chopped Hershey’s chocolate, and chocolate chips.
- Divide dough into 7 large portions (about 5 oz each).
- Make a well in each portion, place half a marshmallow inside, and seal completely with dough.
- Top each cookie with reserved graham cracker pieces and 1 oz of chocolate chunks.
- Bake for 10–13 minutes, until golden on top but soft in the center.
- Let cool on baking sheet for at least 15 minutes. Garnish with flaky sea salt if desired.
Notes
- Seal marshmallows fully to avoid leakage during baking.
- For smaller cookies, divide dough accordingly and reduce bake time by 2–3 minutes.
- Swap milk chocolate for dark or semi-sweet for a richer cookie.
- Chill dough before baking for deeper flavor and a chewier texture.
- Best eaten warm or reheated slightly for that gooey center.
- Prep Time: 20 minutes
- Cook Time: 13 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 large cookie
- Calories: 480
- Sugar: 35g
- Sodium: 220mg
- Fat: 23g
- Saturated Fat: 13g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 64g
- Fiber: 2g
- Protein: 6g
- Cholesterol: 65mg
