Line a baking sheet with parchment paper or a silicone baking mat, or spray with nonstick cooking spray.
In a large mixing bowl, combine masa harina, oil, vegetable broth, nondairy sour cream, corn, black beans, cilantro, avocado, chipotle peppers, cumin, salt, and pepper.
Mix thoroughly with your hands until the ingredients are well incorporated.
Roll the mixture into balls, about 2 tablespoons each, and place them on the prepared baking sheet.
Bake for 15–20 minutes, until lightly golden.
Allow the tamalliettas to rest for 5 minutes before serving.
Serve with chipotle ranch dressing or your favorite dip.
Notes / Tips / Wine Advice:
Wine advice: Pair with a zesty Zinfandel or a light Mexican beer like Corona or Modelo.