01 -
Set the oven to broil. Spread the hot dog bun pieces on a baking sheet and broil for 3-4 minutes per side until golden brown. Remove from the oven and set aside.
02 -
In a small pot over medium heat, melt the butter. Whisk in the flour and let it cook for 1-2 minutes.
03 -
Slowly pour in the milk while whisking continuously until combined.
04 -
Whisk in the Dijon mustard and hot sauce. Let the mixture simmer until it slightly thickens.
05 -
Remove from heat and whisk in the shredded cheddar cheese until fully melted and smooth. Set aside.
06 -
In a large bowl, combine the toasted bun pieces with the chili, stirring until evenly coated.
07 -
Grease an 11x7-inch baking dish. Spread half of the chili-bun mixture on the bottom, followed by all the sliced hot dogs, then top with the remaining chili-bun mixture.
08 -
Pour the prepared cheese sauce evenly over the top of the casserole.
09 -
Bake at 350°F for 30-35 minutes or until golden brown and bubbly.
10 -
Let cool for a few minutes before serving. Enjoy warm!