What is the difference between semolina pasta and regular pasta?

Chef's answer
What's the difference between Semolina Flour and All Purpose Flour? Semolina flour appears more golden and darker than all purpose flour, and possesses an earthy aroma. Semolina is made using grooved steel rollers, which break the starch of the wheat kernels. It's then processed and grounded into flour.
Frequently asked Questions 🎓
In general semolina flour consists of 12-13 percent protein and has a low elasticity and higher plasticity than most flour that is used for pasta. This makes semolina flour a great choice when making extruded pasta such as penne, as the shape of your pasta will not start to change as soon as it has been extruded.
The coarser-grained semolina flour is perfect for hard pastas, as it allows the pasta to keep its shape after cooking and gives the cooked pasta the "al dente" property that most people prefer. ... Durum flour, on the other hand, is used for softer noodles.
What's the difference between Semolina Flour and All Purpose Flour? Semolina flour appears more golden and darker than all purpose flour, and possesses an earthy aroma. Semolina is made using grooved steel rollers, which break the starch of the wheat kernels. It's then processed and grounded into flour.
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