Chicken Pasta Salad

2 cups uncooked mini bowtie pasta
2 cups mayo
¼ cup half and half
1 teaspoon salt
2 Tablespoons lemon juice
2 teaspoon pepper
4 cups shredded cooked chicken
2 cups halved green grapes
2 cups chopped cucumber
1 cup chopped celery

Cook pasta, drain and rinse with cold water. In bowl combine mayo, half and half, salt, lemon juice and pepper. Stir in pasta chicken and remaining ingredients. Cover and refrigerate several hours. Serve plain, over lettuce, or in a croissant.