Press the rice down into each muffin case using either your hands or the bottom of a small glass - make sure either your hands or the glass are wet before you do this, so that the rice doesn't stick!
For the edamame paste:
Boil the edamame according to instructions on packet
Add edamame to a blender or food processor (or hand-held blender) along with other ingredients and whizz until completely smooth. Taste and adjust seasonings as necessary
To fill the sushi cups:
Divide the edamame paste between 6 of the sushi cups - put about a heaped teaspoon into each one
Divide the avocado between the remaining 6 cups
Top half of the sushi cups with the grated carrot and the other half with the red pepper
To serve:
Sprinkle the sushi cups with black sesame seeds, seaweed and shichimi if desired. Serve with tamari (or soy sauce), wasabi and pickled ginger!