Preheat the oven to 190°C/375°F/Gas mark 5
Cream the sugar, butter, pumpkin and vanilla together. Mix until light and well combined. Mix the flour, baking soda and ground cinnamon. Stir the flour mixture into the creamed mixture. Mix until combined. Stir in the carob chips.
Drop by teaspoons onto an ungreased baking sheet. Bake for 12 to 15 minutes or until set. Cool on a wire rack.