Savory Cheese Blintzes

Name: Savory Cheese Blintzes
Cook time: 45 min
Total time: 45 min
Cuisine: American
Ingredients: 2 eggs; 1 tablespoon sugar; 1 and 1/2 tablespoons oil; 1/8 teaspoon salt; 1/2 cup flour; 1/2 cup milk; 2 tablespoons oil; 1 onion, diced; 1/2 cup shredded cheddar cheese; 1/2 teaspoon salt; 1/4 teaspoon pepper; 1/2 pound (8 ounces) low-fat cream cheese; 1/2 pound (8 ounces) cottage cheese; 1 egg