- Preheat the oven to 325 degrees F 
- Grease and flour a  large tube pan 
- In a separate bowl, whisk the flour, baking powder and salt until combined,  set aside 
- Add the vanilla to ½ cup milk and set aside. 
- Add the softened butter and mix until smooth, gradually add the sugar and mix until it is light and fluffy, 3 to 5 minutes. 
- Add the ½ cup peanut butter and mix until well blended. 
- Add the eggs one at a time mixing until the yellow of the yolk has blended in. 
- Add the flour mixture alternately with the milk, begin and end with the dry ingredients.  
- Fold in the cup of mini chocolate chips. 
- Bake at 325 degrees for 1 hour and 10 minutes or until a toothpick comes out clean or with just a few crumbs attached.  Cool 5 to 10 minutes and turn out.