I riffed on this recipe. I made my own Dulce de Leche using sweetened condensed milk (the oven method), 1 1/2 cups each of whole milk and heavy cream, 1 tsp of vanilla and 1 Tbsp of vodka (prevents ice crystals). I salted the mix to taste before freezing. Delicious!
https://www.food.com/recipe/sea-salt-dulce-de-leche-ice-cream-ice-cream-maker-481231 (https://www.food.com/recipe/sea-salt-dulce-de-leche-ice-cream-ice-cream-maker-481231)