Corn Chowder with Bacon and Roasted Serranos Recipe

Name: Corn Chowder with Bacon and Roasted Serranos Recipe
Ingredients: 1 each serrano pepper; 1/4 lb bacon (thick-cut, diced 1/4); 1 medium onion (chopped); 2 stalks celery (chopped); 1/4 cup all-purpose flour; 4 ears fresh corn (shucked and kernels removed); 1 medium potato (peeled and diced small); 3 cloves garlic (diced); 4 cups low-sodium chicken broth (divided); 1/2 tsp cumin (ground); 1/4 tsp nutmeg; 1/4 tsp cayenne pepper; 1/4 cup fresh cilantro (chopped); 1 cup heavy cream; 1 tsp kosher salt (plus more to taste); 1/2 tsp black pepper (plus more to taste)