Servings: About 3 dozen depending on size

¼ c (4 Tbs) unsalted butter, softened ¼ c (4 Tbs) unsalted butter, softened
½ c (115g) brown sugar, packed ½ c (115g) brown sugar, packed
½ c (100g) granulated sugar ½ c (100g) granulated sugar
⅓ c oil ⅓ c oil
½ c plain yogurt ½ c plain yogurt
1½ tsp vanilla extract 1½ tsp vanilla extract
1¾ c (220g) all purpose flour 1¾ c (220g) all purpose flour
½ tsp baking soda ½ tsp baking soda
½ tsp salt ½ tsp salt
½ c chocolate chips ½ c chocolate chips

Preheat oven to 375 degrees Prepare baking sheets with parchment paper or leave ungreased
In mixer, beat butter, sugars, & oil until light and fluffy
Add Yogurt and vanilla
Blend well
Stir in flour, baking soda and salt
Mix well
Stir in chips
Drop 2" apart on sheets
Bake 8 to 12 minutes, or until light golden
Remove from oven and leave on sheet 1 minute, then remove to cooling rack.