1/2 cup mayonnaise
1/3 cup vegetable oil
1 1/2 teaspoons lemon extract
2 teaspoons baking powder
1/4 teaspoon baking soda
1 teaspoon vanilla extract
1 cup semisweet chocolate chips
Preheat the oven to 375 degrees F (190 degrees C). Grease cookie sheets.
In a large bowl, cream together the mayonnaise and oil until smooth. Mix in lemon extract and baking powder. Mix in baking soda and vanilla extract. Mix in semisweet chocolate chips. Drop by rounded spoonfuls onto the prepared cookie sheets.
Bake for 8 to 10 minutes in the preheated oven, or until edges are slightly browned. Allow cookies to cool on baking sheet for 5 minutes before removing to a wire rack to cool completely.