Preheat oven to 375º.
Cream earth balance, cream cheese, avocado, and sugar together.
Add zest and lime juice, and beat until light and fluffy .
Gently fold in flour, 1/2 cup at a time.
Measure out 1 Tbs balls of dough.
Roll between your palms to form a sphere, then flatten into discs.
Arrange on a lightly greased cookie sheet.
The dough will not spread when baked.
Bake for 15 minutes.
Remove from oven and cool on a rack.