1/3 cup smooth peanut butter
1 garlic clove
2 tablespoons fresh lime juice
2 tablespoons soy sauce
1 teaspoon sugar
1/8 teaspoon cayenne, or to taste
1/3 cup water
Salt and freshly ground black pepper to taste
In a blender puree together peanut butter, garlic, lime juice, soy sauce, sugar, cayenne, water, salt and pepper until mixture is smooth.
Transfer sauce to a serving bowl.
Makes about 1 cup.