Chicken Green Chili Stew

Name: Chicken Green Chili Stew
Ingredients: 2 tablespoons olive oil; 1 1/2 pounds boneless skinless chicken thighs, cut into 1-inch chunks; Kosher salt and freshly ground black pepper; 4 cloves garlic, minced; 2 poblano peppers, seeded and diced; 1 large onion, diced; 1 tablespoon ancho chile powder; 1 teaspoon ground cumin; 4 cups chicken stock; One 7-ounce can fire-roasted green chiles, drained and rinsed; 1 large russet potato, peeled and cubed small; Chopped cilantro, for serving, optional; Grated pepper jack cheese, for serving, optional