Start by dicing the onion, peppers and roughly chopping the mushrooms
Mince the fresh garlic
In a cast iron skillet over medium high heat, cook chorizo until lightly crisp
Into the same pan add in onion, and garlic cook for a few minutes.
Next add in chopped peppers, roughly chopped mushroom, half the green and black olives as well as spices sauté for 3-4 minutes.
Reserve 1/3 of the veggie and chorizo mixture into a bowl and set a side.
In the cast iron skillet top remaining mixture with Oaxaca cheese and dallop the reserved veggie mixture on top, as well as the remaining olives.
Place into the oven at 350 °F for 15-18 minutes until cheese is bubbly and melted. Top with chopped cilantro and serrano pepper (optional for a kick of heat)
Enjoy while warm and serve alongside chips or tortillas!