1/2 lb unsalted butter, softened |
1 1/2 tablespoons dried ancho chile powder |
2 tablespoons roasted garlic paste |
1 teaspoon brown sugar |
1 teaspoon finely-grated lime zest or 1 teaspoon lemon zest |
1 tablespoon fresh lime juice or 1 tablespoon lemon juice |
2 tablespoons chopped fresh cilantro |
salt and pepper |