Date-nutty Oatmeal Cookies

• 1 egg
• 475 gr rolled oats quick-cooking
• 280 gr brown sugar (light)
• 170 gr vegetable shortening
• 150 gr dates (chopped)
• 130 gr all purpose flour
• 120 gr nuts walnuts (chopped)
• 80 ml orange juice
• 80 gr sweetened coconut flakes
• 7 gr vanilla extract