| | CAKE LAYERS |
| | Unsalted butter (room temperature) PLUS: |
| 2 2/3 | tb | Unsalted butter (at room temperature) |
| 2 | c | Granulated sugar |
| 3 | | Eggs |
| 2 | c | Sifted all-purpose flour |
| 3/4 | c | Unsweetened cocoa powder (preferably Dutch process) |
| 1 1/4 | ts | Baking soda |
| 1/4 | ts | Baking powder |
| 1/2 | ts | Salt |
| 1 1/2 | c | Milk |
| 1 | ts | Vanilla extract |
| 1/4 | c | Chocolate-mint liqueur (such as Vandermint) |
| | CHOCOLATE FUDGE FILLING |
| 2/3 | c | Granulated sugar |
| 1/2 | c | Heavy cream |
| 2 1/2 | oz | Unsweetened chocolate |
| 1 | tb | Light corn syrup |
| 2 | tb | Unsalted butter |
| | CHOCOLATE CREAM |
| 2 1/2 | c | Heavy cream |
| 3 1/2 | tb | Unsweetened cocoa powder (preferably Dutch process) |
| 7 | tb | Confectioners' sugar |
| | ASSEMBLY AND CHOCOLATE SYRUP |
| 3 | tb | Chocolate chips |
| 2 | tb | Unsweetened cocoa powder (preferably Dutch process) |
| 2 | tb | Light corn syrup |
| 1 | tb | Granulated sugar |
