Ingredients
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2 ¼ cups all-purpose flour
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1 tsp baking powder
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½ tsp kosher salt (or ¼ tsp table salt)
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1 cup unsalted butter, room temperature
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¾ cup dark brown sugar, packed
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½ cup granulated sugar
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2 large eggs, room temperature
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1 ½ tsp vanilla extract
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1 cup semi-sweet or dark chocolate chips
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1 cup crushed graham crackers (not powdered)
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1 cup chopped Oreo cookies (about 10–12 Oreos)
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1 ½ cups regular marshmallows, halved
Instructions
1. Preheat & Prep
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Preheat oven to 350°F (177°C).
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Line a baking sheet with parchment paper.
2. Combine Dry Ingredients
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In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
3. Cream Butter and Sugars
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In a large bowl or stand mixer, cream butter, brown sugar, and granulated sugar for 5 full minutes until light and fluffy.
4. Add Eggs & Vanilla
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Beat in eggs, one at a time, then add vanilla extract and mix until smooth.
5. Fold in Dry Ingredients
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Slowly add the flour mixture and mix on low until just combined.
6. Add Mix-ins
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Gently fold in chocolate chips, graham cracker pieces, and Oreo chunks until evenly distributed.
7. Chill the Dough
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Cover and chill the dough in the refrigerator for at least 1 hour (or overnight for best flavor and texture).
8. Scoop & Bake
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Scoop 2-tbsp portions of dough and place on the lined baking sheet, spaced 2 inches apart.
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Bake for 8–9 minutes.
9. Add Marshmallows
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Quickly remove cookies, press marshmallow halves on top, then return to oven for 2–3 more minutes until gooey and just golden.
10. Cool & Enjoy
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Let cookies rest on the baking sheet for 5 minutes, then transfer to a wire rack to cool fully.
Notes
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Don’t skip chilling the dough—this keeps cookies thick and chewy.
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Use regular-sized marshmallows cut in half; mini marshmallows melt too quickly.
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Store at room temperature in an airtight container for up to 5 days.
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Freeze unbaked dough balls for up to 3 months and bake as needed.
- Prep Time: 15 minutes
- Chill Time: 1 hour
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian