Start by heating oil in a large skillet over medium heat. Add the diced onion and zucchini, stirring occasionally until softened. Onions should turn slightly translucent, and zucchini should have a light golden edge. Stir in the garlic and cumin, letting them cook for about 1 minute until aromatic. This base sets the tone for all the delicious flavors to come.
Now, pour in the salsa verde and mix in the sour cream until smooth and creamy. The slight creaminess adds an unbeatable richness. Toss the shredded chicken, corn, and tortilla strips into the sauce, stirring gently to coat them evenly.
Once everything is well-mixed, sprinkle the shredded Monterey Jack cheese evenly over the top. Transfer the skillet to your oven's broiler set on high and broil for 1-2 minutes until the cheese is golden and bubbly. Watch closely so it doesn’t burn!
Take the skillet out of the oven and sprinkle with chopped cilantro, if desired. Serve it straight from the pan for a casual vibe or plate it with a dollop of sour cream and a sprinkle of your favorite toppings.