Ingredients:
- 2 (14-ounce/396ml) cans sweetened condensed milk
- 2 cups (470g) heavy cream
- 1 tablespoon finely grated lime zest, plus more for serving
- 1/2 cup (120g) freshly squeezed lime juice (from about 8 limes)
- 10 ounces (285g) Ritz crackers (85 crackers, from about 3 sleeves)