1/4 pound (1 stick) plus 1 tablespoon unsalted butter, at room temperature
1 tablespoon minced shallot
1 teaspoon ground ginger
1 teaspoon curry powder
1 teaspoon freshly squeezed lime juice
Melt the 1 tablespoon of butter in a small saucepan over medium heat. When it bubbles and froths, add the shallot and cook for 2 minutes. Add the ginger and curry powder and cook for 1 minute more. Then add the lime juice, stir to combine, and remove from the heat. Set the mixture aside to cool to room temperature.
In a small bowl, mix the remaining stick of butter with the sautéed shallot, ginger, and curry. Mix well, then place the mixture in a jar and refrigerate