<ul>
<li>mixing gently not vigorously</li>
<li>pouring water on sand</li>
<li>mayonnaise with large pieces.</li>
</ul>

(Losh-לש‎ Ep. 33) (#426) Understanding the logic between mixing horseradish and mayonnaise as opposed to baby cereal, etc.

Halachot Shabbat classes by Rabbi Aaron Weichbrod