Gently heat Stock, Alfredo and Pimento Cheese in a saute pan over medium heat until they come to a simmer. Cook until the cheese melts, and a light sauce is created.
Heat Fusilli in boiling salted water for 10-15 seconds, until heated through.
Drain well and add to the pan. Fold in fontina and crab meat. Gently toss to coat the pasta evenly with the sauce.
Continue cooking to heat through, ensuring that the sauce does not over-reduce. The cheese should be just melted, and the sauce should be creamy.
Season with S&P. Taste and adjust seasoning as needed.
Using a rubber spatula, transfer immediately to a warm gratin dish, pulling all the sauce from the pan into the dish.
Evenly distribute breadcrumbs and green onion over the pasta.
Carefully place mac & cheese onto the underliner, as shown in the photo.
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