Step 1: Understanding sugar crystallization in confectionery.
- Fudging refers to the undesirable crystallization of sugar during candy making, which causes texture problems in the finished product.
Step 2: Explanation of incorrect options.
- Winnowing (A): Involves separating husks from grains or cocoa beans, not related to crystallization.
- Panning (B): Refers to coating food with a layer of chocolate or sugar, not crystallization.
- Engrossing (D): Not a recognized term in food processing.
Step 3: Selecting the correct option.
Fudging is the process that causes unintentional crystallization of sugar, leading to texture defects, so the correct answer is (C) Fudging.