Prep, wash, and cut up vegetables.
Half the spaghetti squash lengthwise and remove the seeds.
Fill a dinner plate with a little bit of water. Place the squash halves face down into the water. Microwave for 5 minutes on high.
Use a fork to shred the squash into noodles.
In a pot, bring the vegetable broth and spices to a boil.
Add the spaghetti squash and reduce to a simmer. Cook until liquid is gone.
In a pan, steam or fry the red onion and poblano pepper.
Assemble tacos with all the garnishes and serve!