Complex sentence: Polenta has a creamy texture due to the gelatinization of starch in the grain, though it may not be completely homogeneous if a coarse grind or hard grain such as flint corn is used.
Split into simpler sentences: Polenta has a creamy texture due to the gelatinization of starch in the grain. However, it may not be completely homogeneous if a coarse grind or hard grain such as flint corn is used.