1. Blend the shortening and sugars. Beat in the vanilla, water & egg. In a separate bowl, sift together the flour, baking soda and salt. Add the dry ingredients to the shortening mixture and blend thoroughly. Stir in the 1 1/2 C of M&M's.
2. Drop by rounded teaspoons onto ungreased baking pans. Decorate the tops with additional M&M's.
3. Bake at 375°F for 10-12 min or until golden brown. For a crispier cookie, be sure the tops look dry, not moist. Remove to cooling racks. Good eaten warm or allow to cool completely.
4. Total baking time depends on the size of your pans & your oven's capacity.