2000s Recipes + Menus

Grasshopper Squares

Makesabout 6 dozen cookies
  • Active time:1 hr
  • Start to finish:5 hr
December 2005
These squares practically explode in the mouth with silky, fudgy chocolate and cool mint ganache.

For brownie layer

  • 1 1/2 sticks (3/4 cup) unsalted butter
  • 10 1/2 oz fine-quality bittersweet chocolate (not extra-bitter or unsweetened and no more than 60% cacao if marked), finely chopped
  • 1 1/2 cups packed light brown sugar
  • 3 large eggs, lightly beaten
  • 1 1/4 teaspoons vanilla
  • 3/4 cup all-purpose flour
  • 1/4 cup plus 2 tablespoons unsweetened Dutch-process cocoa powder
  • 3/4 teaspoon salt

For mint ganache

  • 1/2 cup heavy cream
  • 10 oz fine-quality white chocolate, chopped
  • 2 tablespoons green crème de menthe
  • 1 teaspoon peppermint extract

For chocolate ganache

  • 1 cup heavy cream
  • 10 oz fine-quality bittersweet chocolate (not unsweetened), finely chopped
  • Special equipment:

    an offset spatula

Make brownie layer:

  • Put oven rack in middle position and preheat oven to 375ºF. Lightly butter a 13- by 9-inch baking pan and line with 2 crisscrossed sheets of foil, leaving a 2 inch overhang on all sides. Butter foil.
  • Melt butter and chocolate with brown sugar in a 3-quart heavy saucepan over moderate heat, stirring occasionally, until smooth. Remove from heat. Whisk in eggs and vanilla until combined. Whisk in flour, cocoa, and salt until just combined.
  • Spread batter evenly in baking pan and bake until set and a wooden pick inserted in center comes out with moist crumbs adhering, about 20 minutes. Cool completely in pan on a rack, about 1 1/2 hours.

Make mint ganache:

  • Bring cream to a simmer in a 2- to 3-quart saucepan and remove from heat. Pour over white chocolate in a bowl. Let stand 1 minute, then whisk until smooth. Stir in crème de menthe and extract and chill, covered, stirring occasionally, until thick, about 1 hour.

Make chocolate ganache:

  • Bring cream to a simmer in a 2- to 3-quart saucepan and remove from heat. Pour over bittersweet chocolate in a bowl. Let stand 1 minute, then whisk until smooth. Chill, covered, stirring occasionally, until thick, about 30 minutes.

Assemble layers:

  • Spread mint ganache over top of cooled brownie in a thin even layer using offset spatula, then chill until firm but still slightly sticky, about 30 minutes.
  • Spread chocolate ganache over mint and chill until firm, about 2 hours.
  • Lift dessert out of pan using foil overhang. Run a heavy knife under hot water and wipe dry, then trim edges of dessert (1/4 inch off each side). Cut dessert into squares and peel from foil.
Cooks' notes:
  • Squares keep, layered between sheets of wax paper or parchment, chilled in an airtight container 3 weeks.
  • We recommend Droste unsweetened cocoa and Lindt bittersweet chocolate for this particular recipe.
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