1/3 cup butter
2 eggs
1/2 teaspoon white sugar
2 teaspoons vanilla extract
1 cup all-purpose flour
1 teaspoon baking powder
1 teaspoon baking soda
1 teaspoon salt
1 cup rolled oats
1 cup semi-sweet chocolate chips
Preheat the oven to 350 degrees F (175 degrees C). Grease cookie sheets.
In a large bowl, cream together the butter, eggs, sugar, vanilla extract, flour, baking powder, baking soda and salt. Press mixture into the bottom and 1/2 of the prepared cookie sheet area.
Bake for 8 to 10 minutes in the preheated oven. Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.