Preheat oven to 350 degrees F (175 degrees C). Grease cookie sheets.
In a large bowl, cream together the eggs, water, margarine and peanut butter. Stir in the cake mix and blend well. Finally, fold in chocolate chips. Drop by rounded spoonfuls onto the prepared cookie sheet.
Bake for 8 to 10 minutes in the preheated oven. Allow cookies to cool on baking sheet for 5 minutes before removing to a wire rack to cool completely.
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