3 tablespoons canola oil
3 pounds boneless pork shoulder, cut into 1 1/2-inch cubes
2 fresh poblano peppers, roughly chopped, or more to taste
3 jalapeno peppers, roughly chopped, or more to taste
1 serrano pepper, roughly chopped, or more to taste
1 large onion, roughly chopped
4 cloves garlic, roughly chopped
2 teaspoons ground coriander
3 teaspoons ground cumin
1 1/2 cups beef broth