1
: Line an 8 ½” x 4 ½” (1.5 L) loaf pan with plastic wrap.
2
: Place chocolate and sweetened condensed milk in a heat-proof bowl. Bring water to a boil in a saucepan. Remove from heat. Place bowl containing chocolate and sweetened condensed milk over water making sure the water does not touch the bottom of the bowl. Stir occasionally until chocolate is melted and combined with the sweetened condensed milk.
3
: Remove bowl from saucepan and stir in cookies.
4
: Add mixture to loaf pan, pressing it down slightly. Chill in refrigerator until set, about 3 hours. Cut into ¼” (0.5 cm) slices.