Key Lime Mousse

Yes..it's a splurge..but worth it

• Ready In: 20 mins
• Serves: 4

Ingredients

• 1⁄2 tablespoon  grated key lime zest
• 1⁄2 cup  fresh key lime juice
• 1⁄2 cup sugar
• 1  pinch salt
• 3  large eggs
• 3⁄8 cup unsalted butter, cut into bits
• 2⁄3 cup  chilled heavy cream

Directions

1. Whisk together zest, juice, sugar, salt, and eggs in a small heavy saucepan. Add butter and cook over medium-low heat, whisking frequently, until thick enough to hold marks of whisk, about 5 minutes.
2. Force mixture through a fine sieve into a bowl, then quick-chill in an ice bath, stirring occasionally, about 5 minutes.
3. Beat cream until it holds stiff peaks, then fold into custard gently but thoroughly. Spoon into glasses and chill at least 2 hours and up to 12.