quick ragu

Name: quick ragu
Ingredients: 2 tablespoons olive oil plus more for drizzling; 1 medium yellow onion finely chopped; 4 garlic cloves finely chopped; kosher salt and black pepper; pinch of red-pepper flakes optional; 2 anchovy fillets optional; 2 tablespoons tomato paste; 1 pound ground beef pork or meatloaf mix; 1 28-ounce can crushed tomatoes; 1 lb cooked pasta noodles or tubes, for serving; a good hunk of parmesan or pecorino for serving