Green Chile Stew

Name: Green Chile Stew
Prep time: 40 min
Cook time: 1 h 40 min
Total time: 2 h 20 min
Cuisine: Mexican
Ingredients: 15 poblano chile peppers; 2-4 jalapeños; 3.5-4 pounds pork shoulder, (cut into 1 inch chunks); salt + pepper; 3 tablespoons, (plus more if needed) vegetable oil; 1 1/2 cups yellow onions (diced ); 2 tablespoons garlic (minced); 3 tablespoons flour; 1 heaping tablespoon chicken flavor Better Than Bouillon; 6 cups chicken broth, (I used low sodium); 2 teaspoons ground cumin; 1 teaspoon dried oregano; 3 large russet potatoes, (peeled and chopped into ½ inch pieces); 2-3 tablespoons cornstarch; 1/2 cup cold water