Poblano Mac and Cheese recipes

Name: Poblano Mac and Cheese recipes
Ingredients: 1 pound of elbow macaroni; 2 tablespoons salt for macaroni water; 8 ounces sharp cheddar cheese, grated; 8 ounces white cheddar cheese ( see notes); 4 ounces gruyere; 4 cups half and half (or whole milk); 4 tablespoons butter; 6 tablespoons flour; 1 poblano pepper; 1 teaspoon salt; ¼ teaspoon cayenne pepper; 1 teaspoon black pepper; ¼ teaspoon freshly ground nutmeg; 4 slices tuscan type bread, cut into one inch cubes (or use heavy farmhouse bread).