Ingredients: 120 g (½ cup) whole milk 15 g (3 ½ tbsp) instant coffee granules 140 g (1 ¼ sticks) unsalted butter, softened 100 g (½ cup) light brown soft sugar 75 g (¼ cup + 2 tbsp) caster/superfine or granulated sugar ½ tsp vanilla bean paste (or 1 tsp vanilla extract) 3 UK medium/US lar…