CORNFLAKE-CHOCOLATE CHIP-MARSHMALLOW COOKIES

Cornflake-Chocolate Chip-Marshmallow Cookies image

Provided by Martha Stewart

Yield Makes 15 to 20 cookies

Number Of Ingredients 12

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1 cup (2 sticks) unsalted butter, room temperature
1 1/4 cups granulated sugar
2/3 cup packed light-brown sugar
1 large egg
1/2 teaspoon pure vanilla extract
1 1/2 cups all-purpose flour
1 1/4 teaspoons coarse salt
1/2 teaspoon baking powder
1/4 teaspoon baking soda
3 cups Cornflake Crunch
2/3 cup mini chocolate chips
1 1/4 cups mini marshmallows

Steps:

Cream together butter and both sugars in the bowl of an electric mixer fitted with the paddle attachment on medium-high, 2 to 3 minutes. Scrape down sides of bowl and add egg and vanilla; beat for 7 to 8 minutes.
Reduce speed to low and add flour, salt, baking powder, and baking soda. Mix just until dough comes together, no longer than 1 minute. Scrape down sides of bowl with a spatula.
With the mixer on low, add cornflake crunch and chocolate chips; mix until just combined, 30 to 45 seconds. Add mini marshmallows and mix until just incorporated.
Line a baking sheet with parchment paper. Using a 2 3/4-ounce ice-cream scoop or 1/3-cup measuring cup, portion dough out onto prepared baking sheet. Pat tops of cookie domes flat. Wrap baking sheet tightly with plastic wrap and refrigerate for at least 1 hour and up to 1 week. Do not bake cookies from room temperature or they will not hold their shape.
Preheat oven to 375 degrees. Line additional baking sheets with parchment paper or nonstick baking mats.
Arrange chilled dough at least 4 inches apart on prepared baking sheets. Transfer to oven and bake until puffed, cracked, spread, and browned on the edges, about 18 minutes. Let cool completely on baking sheets.