Heat oven to 350. Spread sesame seeds on a baking sheet and bake for for 15 minutes or until a nice golden brown.
In a medium size bowl mix together all the ingredients for the Yum Yum sauce, set aside until ready to serve.
Combine all of the Soy Sauce Reduction ingredients in a small pan and bring to a boil over med/high heat. Let boil for 3-4 minutes. Remove from heat and set aside until ready to serve.
Chop your cucumber, avocado, cream cheese, and crab into bite size pieces.
Assemble bowls. Start with a base of rice, add on cucumber, avocado, crab, avocados and cream cheese, drizzle with soy sauce reduction and yum yum sauce, sprinkle on toasted sesame seeds and crumbled seaweed.