Heat oil over medium heat in a large skillet. Add in onions and garlic, and cook for about 2 minutes. Add in the ground beef, and cook, while breaking up with a wooden spoon, until meat is browned.
Stir in tomatoes, beans, chilies, lime juice, spices, and salt & pepper. Turn heat to low. Cover and cook for another 10 minutes.
Add in the zucchini. Cover and cook for another 8-10 minutes, until zucchini is tender, but not mushy.
Top with cilantro and serve.
Notes
The entire recipe makes 4 servingsThe serving size is about 2 cups[ultimate-nutrition-label id="14166" align="left"]