- 1 (14 ounce) can sweetened condensed milk (such as Eagle Brand®)
- 1 (12 ounce) jar caramel topping
- 6 ounces semisweet chocolate chips
- 1/4 cup coffee-flavored liqueur (such as Kahlua®), or more to taste
- Heat condensed milk, caramel topping, chocolate chips, and coffee-flavored liqueur together in a saucepan over low heat, stirring constantly, until chocolate chips are melted and sauce is well mixed, 10 to 15 minutes.