Chiles Rellenos

Name: Chiles Rellenos
Yield: 6
Ingredients: 1 clove Garlic; 1 tbsp Oregano, dried; 5 Plum tomatoes; 6 Poblano chile peppers; 1/2 White onion, small; 3 Egg whites plus 1 egg yolk, large; 1 All-purpose flour; 1 Kosher salt and freshly ground pepper; 1 tbsp Olive oil, extra-virgin; 1 Vegetable oil; 1 1/2 cups Monterey jack cheese