Cast Iron Mac and Cheese

INGREDIENTS

1 pound elbow macaroni

8 ounces bacon

1/2 medium onion, diced

5 dried arbol peppers, crushed (or 2 Teaspoons red pepper flakes)

4 Tablespoons unsalted butter

4 Tablespoons all-purpose flour

3 Cups whole milk

16 ounces cheese (I used 8 ounces of Monterey Jack and 8 ounces cheddar cheese)

1/4 Cup Parmesan cheese, grated

1/4 Cup bread crumbs (optional)

Salt and Pepper

Maybe a drizzle of olive oil

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