1 1/2 c. firmly packed brown sugar
1 c. Hellmann's real mayonnaise
2 eggs
1 tsp. vanilla
2 3/4 c. sifted flour
1/2 tsp. baking soda
1/4 tsp. salt
1 c. chopped pecans
1 c. pecan halves

In large bowl beat first 4 ingredients until smooth. Stir in next 4 ingredients. Drop by level tablespoon 2 inches apart on greased cookie sheets. Top each with a pecan half. Bake at 375 degrees F. 8 to 10 minutes or until lightly brown. Immediately transfer cookies to wire racks. Makes about 4 dozen.