Ingredients
1 container (6 ounces) raspberries
1 1/4 cups sugar
4 large egg yolks
1 stick unsalted butter
1/4 cup fresh lemon juice
Pinch of salt
Preparation
Whisk all ingredients in a heatproof bowl set over a pan of simmering water until slightly thick, 8 to 10 minutes. Strain; refrigerate until cold and thick.