Place chicken breasts in a sauce pan and cover with cold water

Place chicken on the stove and bring water to a boil

Once boiling, reduce the heat to a simmer and cover the pot

Simmer for 14 minutes and then remove chicken from the pot to cool

While the chicken cooks chop the celery, apples, pecans and grapes

In a large mixing bowl combine mayo, lemon juice, salt, and pepper

Once the chicken has cooled, cube the chicken and add to the mixing bowl

Add the celery, pecans, apples, and grapes to the mixing bowl

Stir to combine the ingredients until they are fully combined and coated in the mayo mixture