Chocolate Ice Cream: Place a heat proof bowl over a saucepan filled with water (or use a double boiler). Pour the chocolate chips in the bowl over medium heat.
Stirring constantly, heat chocolate mixture until smooth and melted. Turn off heat.
Add sweetened condensed coconut milk, coconut milk, vanilla extract, cacao powder, and salt. Mix well and freeze until thickened, about 2-3 hours.
Peanut Butter Ice Cream: Heat coconut milk on stove until simmering. Take off the stove and add peanut butter, sweetened condensed coconut milk, vanilla extract, and salt. Mix well and freeze until thickened, about 1-2 hours. Swirl into chocolate ice cream.