To Die For Double Chocolate Peanut Butter Ice Cream

Step 1
Stir whole milk, heavy cream, sugar, and cocoa powder together in a saucepan over low heat; cook, stirring, until sugar and cocoa powder have dissolved, about 5 minutes.

Step 2
Beat egg yolks in a bowl with an electric mixer until thick and pale yellow, about 4 minutes. Stir about 1/2 cup of cocoa mixture into egg yolks, whisking constantly.

Step 3
Pour egg yolk mixture into cocoa mixture; cook, stirring constantly, until the mixture is thick enough to coat the back of a wooden spoon, about 5 minutes. Pour cocoa mixture into a bowl.

Step 4
Place chocolate chips in a large microwave-safe bowl; heat in microwave in 20 second intervals until warm, stirring until chocolate chips are melted. Stir chocolate chips and vanilla extract into cocoa mixture just until combined; refrigerate until cold, about 2 hours.

Step 5
Freeze chocolate mixture in ice cream maker according to manufacturer's instructions. Drop peanut butter by spoonfuls into ice cream; using a knife, fold peanut butter through ice cream to form ribbons of peanut butter throughout.