Ingredients 1 tablespoon extra-virgin olive oil, plus more for the baking dish Kosher salt 3 cups wide egg noodles (about 5 ounces) 1 1/2 cups sour cream 1/2 cup freshly grated Parmesan 12 ounces ground beef 1 red bell pepper, seeded and chopped 1 bunch scallions (white and green parts), finely chopped 1 tablespoon tomato […]