adapted from epicurious.com
makes about 6 dozen
1 1/2 sticks unsalted butter
10 1/2 oz bittersweet chocolate, finely chopped
1 1/2 cups packed light brown sugar
3 eggs, lightly beaten
1 1/4 t. vanilla
3/4 c. flour
1/4 c. plus 2 T unsweetened cocoa powder
3/4 t. salt
1/2 c. heavy cream
10 oz white chocolate, chopped
2 T green crème de menthe
1 t. peppermint extract
1 c. heavy cream
10 oz bittersweet chocolate, finely choppedBrownie layer
- Put oven rack in middle position and preheat oven to 375. Lightly butter a 13 x 9 inch baking pan and line with 2 crisscrossed sheets of parchment or foil, leaving a 2 inch overhang on all sides. Butter parchment or foil.
- Melt butter and chocolate with brown sugar in a 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, about 20 minutes. Cool completely in pan on a rack, about 1 1/2 hours.
- Bring cream to a simmer in a saucepan and remove from heat. Pour cream over white chocolate. 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.
- Bring cream to a simmer in a 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.
- Spread mint ganache over top of cooled brownie in a thin layer using an 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 brownies out of pan using 2 inch overhang. Run a heavy knife under hot water and wipe dry. Cut into small squares.