Ingredients

2 whole eggs plus 8 egg yolks
1 cup sugar
2/3 cup fresh lemon juice (about 6 lemons)
2 tablespoons unsalted butter, cut into small pieces, room temperature
(Makes about 2 cups)

Directions

1. Combine whole eggs and yolks, sugar, and lemon juice in a heatproof bowl set over a pan of simmering water. Cook, whisking constantly, until mixture is thick enough to coat the back of a spoon. Remove from heat. Add butter, a few pieces at a time, whisking until smooth after each addition. Strain through a fine sieve into another bowl, and cover with parchment paper or plastic wrap, pressing it directly on surface to prevent a skin from forming. Refrigerate until chilled and firm, at least 2 hours (or up to 2 days).