<p>It looks like either the
Teapots or the
Acoma Vases.
</p><p>Teapot:
3

Power, 24
Blueberry + 16
Mud, gives 241 <span style="white-space: nowrap;">
XP</span>
</p><p>Acoma Vase:
4

Power, 10
Mud + 1 <span style="white-space: nowrap;">
Water</span>, gives 238 <span style="white-space: nowrap;">
XP</span>
</p><p>The few Kiln crafts that have higher <span style="white-space: nowrap;">
XP</span> require you to Ask or Post for ingredients. And they don't get you that much more <span style="white-space: nowrap;">
XP</span>.
</p>