Soused Raisin Pudding

Name: Soused Raisin Pudding
Ingredients: The Pudding; ½ cup raisins; ½ cup Infused Scotch (see recipe below); 1 ½ cup whole milk, divided; 3 egg yolks; 1/3 cup sugar; 2 tablespoons + 1 teaspoon corn starch; Tiny pinch of salt; ¼ teaspoon freshly ground coriander seeds (measured after grinding); 1 teaspoon vanilla; Topping (Optional):; ¼ cup mascarpone or whipped cream (measured after whipping); Sugar to taste; 1 – 2 tablespoons of infused Scotch (or more, to taste, if you have it); The Infused Scotch; 2/3 cups Scotch; 3 two-inch strips lemon peel (yellow outer skin only); 2 three-inch strips of orange peel; 5 cloves; 1 small cinnamon stick; ½ teaspoon lightly crushed coriander seeds