Chiles Rellenos - Lamole di Lamole

Ingredients

• 4 large poblano peppers
• ½ cup Monterey Jack cheese
• ½ cup shredded Cotija cheese
• ¼ cup all-purpose flour
• 1 tablespoon vegetable oil
• 1 (14.5 ounce) can roasted stewed tomatoes
• ½ onion, chopped
• 1 clove garlic, minced
• 1½ cups chicken or vegetable stock
• ½ teaspoon hot pepper sauce (your preference)
• 2 tablespoons white vinegar
• ½ teaspoon ground cumin
• ½ teaspoon black pepper
• 1 teaspoon dried oregano
• ⅛ teaspoon ground cinnamon
• ½ teaspoon salt
• ⅓ cup all-purpose flour
• 1 egg yolk, beaten
• 5 egg whites at room temperature
• ¼ cup all-purpose flour for dredging
• 1 cup oil for frying, or as needed
• Sour cream for garnish