• Ingredients list
• 1 cup butter, softened
• 1 cup vegetable oil
• 1 cup  sugar
• 1 cup powdered sugar
• 2 eggs
• 2 tsp vanilla
• 5 cups flour
• 1 tsp baking soda
• 1.tbs cornstarch
• 1 tsp cream of tartar
• 2 /3 cup chocolate chips
• 2/3 cup white chocolate chips
• 2/3 cup milk chocolate chips

Directions – in a bowl, cream butter, oil, sugar and powdered sugar.  Add eggs and vanilla.  Blend in dry ingredients.   Fold in chips.  Scoop out 1/4 cups of dough.  Chill a few hours.  Preheat oven to 375 degrees.  Line a cookie sheet with parchment paper.  Stagger cookies on sheet.   Bake 10 to 14 minutes.