Don't be tempted to substitute a pudding mix here. The delicate flavor is well worth a bit of effort.
2 1/2 cups milk
3/4 cup sugar
1/3 cup all-purpose flour
2 egg yolks
2 teaspoons vanilla bean paste*
How to Make It
Whisk together first 4 ingredients in a heavy 3-qt. saucepan. Cook over medium-heat, whisking constantly, 10 to 12 minutes or until thickened. Remove from heat; stir in vanilla bean paste. Cover and chill 3 hours.