In a medium saucepan, combine minced garlic, sliced chili pepper, sugar, tamarind, and fish sauce. Bring to a boil, then reduce heat to medium. Cook for about 3 minutes until syrupy. Remove from heat and set aside.
4 cloves garlic, minced, 2 Thai red chili peppers, thinly sliced or chopped, ½ cup sugar, white, ¼ cup fish sauce