Yes more peanut butter! I found this one on a pb website.
4 cups of chocolate milk
1/2 cup creamy peanut butter
1 Tbs vanilla
1 pint vanilla ice cream
2 cups carbonated water (optional)
In blender container, combine 2 cups chocolate milk and pb. Cover and blend till smooth.
Stir in remaining 2 cups chocolate milk and the vanilla.
Pour into six tall glasses; add a scoop of ice cream to each.
Gradually pour carbonated water down side of glass; muddle with spoon.
Makes 6 servings