Baked Chicken with refried

14 chicken thighs 1 large onion (quartered) 1 -2 garlic clove 1 teaspoon salt 1/2 teaspoon black pepper 1/2 teaspoon ground sage 1/2 teaspoon ground cardamom[...]

4 cups chopped cooked chicken breasts 1 cup mayonnaise 1/4 cup chopped onion 1 1/2 cups chopped celery 4 hard-boiled eggs , chopped 1 (4 ounce) can chopped[...]