Ingredients

• 1/2 cup packed brown sugar
• 1/2 cup white sugar
• 1/4 cup margarine or butter
• 1/4 cup shortening
• 1/2 cup plain nonfat yogurt
• 2 teaspoons vanilla extract
• 1 3/4 cups all-purpose flour
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 2 cups semisweet chocolate chips

Directions

1. Preheat the oven to 375 degrees F.
2. Grease cookie sheets
3. In a medium bowl, cream together the brown sugar, white sugar, margarine and shortening until light and fluffy.
4. Stir in yogurt and vanilla
5. Combine the flour, baking soda, and salt; stir into the creamed mixture until incorporate, then mix in chocolate chips.  
6. Drop by rounded teaspoonfuls 2 inches apart onto the prepared cookie sheets.
7. Bake for 8 to 10 minutes in the preheated oven, until the edges begin to brown.
8. Cool for a minute on the cookie sheets before removing to wire racks to cool completely.