The term 'turn to mush' is a phrase used to describe the process of breaking down food into a soft, pulpy consistency. The crossword solutions for this term are ROT (3 letters), MELT (4 letters), PUREE (5 letters), and STRAIN (6 letters). ROT refers to the process of decomposition, which can be done naturally or with the help of bacteria. MELT is the process of heating a solid until it becomes a liquid. PUREE is the process of blending food until it is a smooth, thick liquid. Finally, STRAIN is the process of separating solids from liquids by passing them through a sieve or filter. Together, these processes can be used to turn food into a mushy consistency.