Pre-heat oven to 325’ F. Melt peanut butter and butter in a small heavy sauce pan over low heat, stirring occasionally. Remove mixture from heat
Step 2
Combine sugar, brown sugar, eggs flour, corn syrup, milk, vanilla and salt in a large bowl and mix well. Blend in peanut butter mixture. pour into pie shell.
Step 3
Bake until filling is puffed about 1 hour 20 minutes. Filling will still be quite soft. Let pie cool to room temperature before serving.