Agre dulce is a sweet and sour sauce in Filipino cuisine. They are typically made by mixing sugar with a sour ingredient such as tomato ketchup, banana ketchup, or pineapples, and boiling the mixture with water and salt. Agre dulce is often used as a dipping sauce for appetizers like lumpia or okoy.
Compare Italian aceto-dolce.
Word origins
From Spanish agrio "sour" and dulce "sweet".