I made this recipe for my hubby, and he immediately requested it for his birthday

1. Preheat your oven to 350°F (175°C). In a small bowl, combine the all-purpose flour, chopped salted cashews, sweetened shredded coconut, and packed light brown sugar. Stir in the melted butter until well mixed.
2. Sprinkle this mixture into a greased baking pan. (~10 inches x 15 inches)
3. Bake the mixture for 20 minutes or until it turns golden brown, stirring once during the baking process. Once done, let it cool on a wire rack.
4. In a large bowl, combine the heavy whipping cream, sweetened condensed milk, key lime juice, grated key lime zest, and vanilla extract. Mix well and refrigerate the mixture until it is chilled.
5. Fill the cylinder of an ice cream maker two-thirds full with the chilled mixture and follow the directions provided by the manufacturer to freeze it.