Preheat oven to 375°F.
Pour the olive oil into a large nonstick skillet or griddle set over medium-high heat.
1 tablespoon olive oil
Place the hot dog buns face down on the skillet just long enough to toast the buns.
8 hot dog buns
Place the hot dog buns face up on a baking sheet with high sides or casserole dish. Sprinkle onions, cilantro, and desired amount of ketchup and mustard into each bun. Sprinkle with ½ cup cheese.
½ cup chopped yellow onion, ½ cup chopped fresh cilantro, Ketchup, Mustard, 2½ cups shredded Mexican cheese blend
Place a hot dog into each bun.
8 hot dogs
Top the hot dogs and buns generously with chili and then top with the remaining 2 cups of cheese.
2 cups Chili
Cover with foil and bake for 30 minutes.
To make them even toastier, you can remove the foil and broil for another 3-4 minutes, being careful not to burn the buns.
Allow to cool at least 5 minutes before serving.