Leftover hot dog pizza is one of those dinners that sounds a little unexpected until you actually make it. It starts with a crispy par-baked crust, gets layered with tangy mustard, smoky BBQ sauce, melted American cheese, juicy chopped hot dogs, and sweet caramelized onions, then finishes with a blanket of bubbly mozzarella. The result is a meal that feels like a backyard cookout on a plate, and it comes together in about 22 minutes from start to finish.
I made this the first time after our Fourth of July cookout left us with a pile of hot dogs and no buns in sight. My kids spotted me building the pizza and immediately claimed spots at the counter to help add toppings. That was the moment I knew this one was going in the regular rotation. If you have got leftover hot dogs sitting in the fridge right now, this is exactly what to do with them.
Table of Contents
Ingredients for Leftover Hot Dog Pizza
After making this leftover hot dog pizza several times, I have learned that the ingredient quality really does make a difference, even in a simple recipe like this. I always use a good quality olive oil and real American cheese slices, not the individually wrapped kind, for the best melt. Here is everything you need:
- 1 tablespoon olive oil (for caramelizing the onions)
- 1/2 cup onion, chopped
- 1 medium pizza crust (store-bought refrigerated dough works great here)
- 1 tablespoon olive oil (for brushing the dough before par-baking) – I recommend not skipping this step; it is what gives you that golden, crispy edge
- 2 tablespoons yellow mustard – my preference is classic yellow mustard for that authentic hot dog flavor
- 2 tablespoons BBQ sauce (ketchup works as a swap if needed)
- 8 to 9 thin slices American cheese – in my experience, American cheese melts the most evenly and creates the best gooey base layer
- 2 to 4 hot dogs, chopped (leftover grilled hot dogs or brats both work perfectly)
- 3/4 cup shredded mozzarella cheese
- Sauerkraut, optional (squeeze it very dry before adding to prevent sogginess)
Step-by-Step Instructions
I recommend reading through all the steps once before you start. The onions take the longest, so getting them going first is the key to keeping everything on schedule. Here is how I make it every time.
Step 1: Preheat your oven to 450 degrees F. If you are using a pizza stone, place it in the oven now so it has time to heat up fully before the dough goes in.
Step 2: Heat a frying pan over medium heat. Add 1 tablespoon of olive oil, then add the chopped onions. Stir occasionally and cook for 10 to 15 minutes until they are deep golden brown and caramelized. Do not rush this on high heat; low and slow gives you the sweet, jammy flavor that makes this pizza special.
Step 3: While the onions cook, lay a sheet of parchment paper on a flat surface and dust it lightly with flour. Roll out your pizza dough into a 13 to 14 inch circle. Use your fingers to push the edges up slightly to build a proper crust border.
Step 4: Drizzle 1 tablespoon of olive oil over the entire surface of the dough. Use a brush or your fingers to spread it all the way to the edges, especially over the crust border. This is what creates that satisfying golden crunch.
Step 5: Slide the parchment paper with the dough into the oven and par-bake for exactly 1 minute at 450 degrees F. Pull it out immediately. This short bake sets the crust and keeps the bottom from going soggy once the toppings go on.
Step 6: Spread the mustard and BBQ sauce evenly over the surface of the par-baked crust using the back of a spoon. Go right up to the edges so every bite has flavor. Layer the American cheese slices on next, followed by the chopped hot dogs and caramelized onions. Sprinkle the mozzarella over the top. If you are adding sauerkraut, scatter it on now so it crisps up in the oven.
Step 7: Return the pizza to the oven and bake for 10 to 12 minutes until the cheese is fully melted with golden brown spots on top and the crust edges are deep golden. Let it rest for 2 minutes before slicing so the cheese has a chance to set.
What to Serve with Leftover Hot Dog Pizza
This pizza is rich and hearty, so the best sides add a little freshness or crunch to balance things out. Here are my favorite pairings.
Simple Green Salad: A crisp salad with a light vinaigrette cuts right through the richness of the cheese and BBQ sauce. It takes less than five minutes to throw together and keeps the meal feeling balanced. Try it alongside this BLT Pasta Salad if you want something with a little more substance.
Coleslaw: Cool, creamy coleslaw pairs naturally with hot dog and BBQ flavors. The crunch and tang are a perfect contrast to the gooey, cheesy pizza.
Baked Beans: Smoky, slightly sweet baked beans feel right at home next to this pizza. They bring the full backyard cookout experience to a weeknight dinner. You can also serve this alongside a bowl of Ground Beef Chili if you want to go all-in on comfort food.
Broccoli Cheddar Soup: A warm bowl of Broccoli Cheddar Soup on the side turns this into a cozy, filling meal that works especially well on cooler nights.
Pickle Spears: A tangy dill pickle on the side adds that classic hot dog stand flavor and cuts through the richness of the cheese perfectly. Simple, but really effective.
Homemade Pizza Dough: If you want to take this recipe even further and skip store-bought, check out this easy Pizza Dough Recipe that works perfectly for this pizza and takes less than an hour to prepare.
Storage and Serving Tips
Leftover slices keep well in an airtight container in the refrigerator for up to 3 to 4 days. If you are stacking slices, place a small piece of parchment paper between each one to keep them from sticking together overnight.
For reheating, I always skip the microwave. A toaster oven set to 375 degrees F for 5 to 7 minutes brings the crust back to life and gets the cheese melty again without making things soggy or rubbery. A regular oven works just as well if you do not have a toaster oven.
This pizza also reheats well in a dry skillet over medium heat with a lid on for about 3 to 4 minutes if you want a fast option. Pro tip: serve it cold the next day straight from the fridge for a surprisingly great leftover lunch.
FAQs
Can I use uncooked hot dogs instead of leftovers?
Yes, absolutely. Slice them and add them directly to the pizza before baking. They cook through fully during the 10 to 12 minute bake time and get slightly crispy on the edges, which adds great texture.
What pizza crust works best for this recipe?
Store-bought refrigerated pizza dough is the easiest option and produces a great result. Pre-baked crusts like Boboli also work well, but skip the par-bake step entirely since they are already fully cooked.
Can I freeze leftover slices?
Yes. Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe bag for up to 2 months. Reheat directly from frozen in a toaster oven at 375 degrees F for about 10 minutes until heated through and crispy again.
Leftover Hot Dog Pizza with Caramelized Onions
Ingredients
Equipment
Method
- Preheat your oven to 450 degrees F. If using a pizza stone, place it in the oven now so it heats up fully before the dough goes in.
- Heat a frying pan over medium heat. Add 1 tablespoon of olive oil, then add the chopped onions. Stir occasionally and cook for 10 to 15 minutes until deep golden brown and caramelized. Do not rush on high heat.
- Lay a sheet of parchment paper on a flat surface and dust lightly with flour. Roll out pizza dough into a 13 to 14 inch circle and use your fingers to build up the edges slightly for a crust border.
- Drizzle 1 tablespoon of olive oil over the entire surface of the dough. Use a brush or fingers to spread it to the edges, especially the crust border.
- Slide the parchment with the dough into the oven and par-bake for exactly 1 minute at 450 degrees F. Remove from oven immediately.
- Spread mustard and BBQ sauce evenly over the crust using the back of a spoon. Layer on American cheese slices, then chopped hot dogs, caramelized onions, and sprinkle mozzarella over the top. Add sauerkraut now if using.
- Return the pizza to the oven and bake for 10 to 12 minutes until the cheese is bubbly with golden brown spots and the crust edges are deep golden. Rest for 2 minutes before slicing.
