Preheat oven to 350 F

In large bowl, with mixer on low, beat sugar and butter until blended.

Increase speed to high; beat until light and fluffy, about 5 minutes

At medium speed, beat in ricotta, vanilla, and eggs until well combined

Reduce speed to low. Add flour, baking powder, and salt. Beat until dough forms

Drop dough by level tablespoons, about 2 inches apart, onto ungreased cookie sheet. Bake about 15 minutes or until lightly golden. Cookies will be soft.

For icing: In a small bowl, combine powder sugar and milk until smooth. With small teaspoon, spread icing on cookies

Decorate with sprinkles. Set cookies aside and allow icing to dry completely