Squash Blossom Quesadillas

Name: Squash-Blossom Quesadillas
Ingredients: 2 poblano chiles; 3 Tbsp. vegetable oil; 1 small white onion, peeled and chopped; 2 cloves garlic, peeled and minced; 1 medium tomato, cored and chopped; 20 squash blossoms, cleaned (remove pistils) and chopped; 1 Tbsp. fresh or 1 tsp. dried epazote (optional); Salt and freshly ground black pepper; 1 lb. monterey jack cheese, grated; 2 lb. fresh masa; Lard or vegetable shortening