They use pipe regatta, but it's easier to find pipette, and it looks the same, just smaller. The chefs at Panera picked this pasta because the shape allows it to hold more sauce inside.u003cbr/u003eu003cbr/u003ePipette, which means little pipe in Italian, is similar to macaroni, but it is has a wider tube and dips down in the middle like a pipe. The curves and grooves hold the sauce inside and out.