In a medium bowl, cream butter and sugar together until smooth. Stir in the eggs and vanilla. Sift together the flour, baking soda, cloves and cinnamon, stir into the creamed mixture. Then add the mashed bananas, rolled oats and chocolate chips, mix until well blended.
Drop dough by rounded spoonfuls onto unprepared cookie sheets. Bake for 10 to 12 minutes in the preheated oven. Remove cookies from pan to cool on wire racks.