You can do it 1 of 3 ways.
1) figure the points per ingredient total up those and then divide by the number of servings
or
2) figure the cal/fat/fiber for each ingredient, total up those items and divide each of them by the number of servings and then figure the points
or
3) obtain a program such as Mastercook or pay for e-tools or online from the W/W site and use their Recipe Builder.
you can get nutritional info from
www.calorieking.com on most items or use the labels.