Ditalini Rigate, or Ditalini Pasta, are small tube-shaped pasta with ridges. Such tiny pasta is known as pastina. Where once tiny pasta shapes like Ditalini were known as just soup pasta, these small but mighty cuts show up in everything from pasta salads to cheesy sides and baked pasta recipes. We love Ditalini as a rustic Italian soup pasta starring in Minestrone and Pasta Fagioli.