Preheat oven to 350°
Prepare the Cajun Seasoning
Heat cast iron skillet on stove top for 3-4 minutes over medium-high heat
Put a large pot of water on and bring to a boil
Grate 1 ¼ cup parmesan cheese
Finely chop the garlic (or use a fine grater or garlic press)
Chop green onions or chives for garnish