CRUMBLE: Pour all packets of oatmeal into a medium mixing bowl. Add brown sugar, Earth Balance Buttery Spread (Vegan Butter Substitute) and 1/3 c flour. Cut together til thoroughly mixed and resembles granola. Set aside. .
MUFFIN MIX: Mash bananas in large mixing bowl. Add sugar, eggs, pureed avocado, and oil. blend well. Add blueberries and stir gently to mix. Sift together dry ingredients and gently blend into banana-berry mixture. Spoon into muffin cups filling to just below top of cup rim. Spoon crumble mixture on top of each muffin and lightly press down to set. .
Bake at 375 degrees for 18-22 minutes, depending on size of muffin cups. Makes about 3 dozen.