Directions:

In a large mixing bowl, cream butter, oil, sugars and vanilla. Add eggs, one at a time, beating well after each addition.

Combine the flour, cream of tartar, baking soda and salt. Add to creamed mixture. Stir in rice cereal, oats, coconut, pecans and toffee bits.

Drop by tablespoonfuls 2 inches apart onto ungreased baking sheets. Bake at 350 F. for 9 to 11 minutes or until lightly browned.

Remove to wire racks to cool.