Oatmeal Chocolate Chip Cookies

1 cup butter, softened
1 cup sugar
1 cup packed brown sugar
2 eggs
1 teaspoon vanilla extract
2 cups all-purpose flour
1 teaspoon baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
2 cups old-fashioned oats
2 cups (12 ounces) semisweet chocolate chips

In a large bowl, cream the butter and sugars until light and fluffy. Beat in eggs and vanilla. Combine the flour, baking soda, baking powder and salt; add to creamed mixture and mix well. Stir in oats and chocolate chips.

Drop by rounded tablespoonfuls 2 in. apart onto ungreased baking sheets. Bake at 350° for 11-12 minutes or until golden brown. Cool on wire racks. Makes 4 dozen.