Preheat oven to 350 degree
In a large bowl pour out the packets of rice
In food processor, pulse the mushrooms until evenly chopped (but not pureed) and add to rice
In same food processor (no need to wash yet!), finely chop the 2 onions and add to rice mixture
Add cheese and stir ingredients to blend
Add in sugar, salt and pepper and mix
Whisk eggs and then add to mixture folding it all together until well mixed
Fill muffin tin about ¾ full
Optional: add some additional cheese on top of filled muffins
Bake about 40 minutes or until your finger bounces back when you tap the muffin
Let cool for 15 – 20 minutes before removing from muffin pan