Turn leftover roast beef into something crave-worthy with this French Dip Pizza. Loaded with tender beef, caramelized onions, melty cheese, and served with au jus for dipping – it’s the comfort food mashup you’ll make again and again.

Let’s be honest here, leftovers are usually a mixed bag. Some things get better the next day (chili, some soups, lasagna, all yes). Others… not so much. A hunk of roast beef hanging out in the fridge can go either way—it’s either destined to be reheated into shoe leather, or you can turn it into something magical. Like pizza.
Yes, pizza.
This French Dip Pizza takes all the things you love about the classic sandwich – savory roast beef, melty cheese, caramelized onions, and that glorious au jus – and piles it on top of a pizza crust. Suddenly, last night’s slow cooker French Dip becomes tonight’s “I can’t believe this is leftovers” dinner.

Let me back up just briefly. I was recently sent a beautiful 7 quart Stainless Slow Cooker from All-Clad and the Today Show. It’s the prettiest thing ever, so I’ve been looking for every excuse in the book to use it lately. If you haven’t seen my Slow Cooker French Dips yet, go here. I could make this weekly with no complaints.
The last time I made it, the leftovers inspired me to make this pizza, and it’s now officially one of my favorite things. I just couldn’t wait to share. As if French Dips weren’t already delicious enough; putting the beef on pizza dough is downright dangerous.
Why Leftover Roast Beef on Pizza Works
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Leftovers, upgraded. No sad reheated beef here. Shredded and baked with gooey cheese, it’s reborn.
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Comfort food mashup. Sandwich meets pizza; who’s complaining?
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Built-in dipping sauce. Au jus is the ultimate pizza condiment. Forget ranch.
Ingredient Notes
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The beef: I use leftover slow cooker French Dip beef (linking to my recipe), but any tender roast beef or pot roast will work. Slice it thin or shred it so it heats through without drying out.
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Cheese: Provolone keeps the “French dip” vibe, but mozzarella, fontina, or a mix are equally good.
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Onions: Caramelized onions are the MVP here. They bring sweetness that balances the rich beef.
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The crust: Store-bought dough, homemade dough, naan, flatbread – it’s flexible. If using pizza dough and it’s thick, just prebake a few minutes so it doesn’t go soggy.
Variations
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Add sautéed mushrooms for an extra layer of umami.
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Toss on banana peppers or pickled jalapeños if you like a little tang.
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Swap in horseradish sauce for drizzle-worthy heat.
Serving Tip
Don’t skip the dipping sauce. Warm your leftover au jus and serve it on the side. Dunking pizza in au jus might sound questionable, but once you do it, you’ll never look back.
Why You’ll Make This Again
This is one of those recipes that sneaks into rotation because it’s ridiculously easy once you’ve got the beef made. And honestly? It feels way fancier than the effort it takes. Perfect for a Friday night when cooking motivation is long gone, but ordering delivery feels like defeat.
Here’s your printable –
French Dip Pizza (a Leftover Roast Beef Recipe You’ll Actually Love)
Turn leftover roast beef into something crave-worthy with this French Dip Pizza. Piled high with tender beef, caramelized onions, melty cheese, and served with au jus for dipping, it’s the ultimate comfort food mashup.
Ingredients
- Leftover beef from this recipe
- This pizza dough recipe
- 2 tbsp olive oil, plus more to coat pizza dough
- 2 tbsp butter
- 1 large yellow onion, sliced into rings
- 1 tbsp coarse salt
- 16 oz. beef broth or stock
- 4 cups provolone cheese, shredded
- Fresh Italian leaf parsley, roughly chopped
Instructions
- Preheat oven to 500°.
- Make pizza dough and cover with a clean dish towel.
- Caramelize onions by adding them to a large skillet over medium heat, drizzle with oil and butter and toss to coat; sprinkle with salt.
- Stir occasionally until onions start to caramelize and turn the heat down to low, stirring only when necessary, adding beef broth a little at a time, for about 20 minutes.
- Prepare dough on a stone or baking sheet and drizzle with more olive oil.
- Make pizza by spreading the onion/broth mixture on bottom, followed by beef and Provolone.
- Bake for 10-12 minutes and top with parsley.
Recommended Products
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn advertising fees by linking to Amazon.com and affiliated websites.
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Nuwave 2pc Pizza Kit, 10” Stainless Steel Pizza Peel, Stainless Steel Pizza Cutter/Server Combo, Great for Thin and Thick Pizza, baking homemade pizza bread -
BIG HORN OUTDOORS Pizza Oven Indoor, 14 Inch Electric Countertop Pizza Oven with 6 Preset Modes -
NutriChef 12.8 Inch Nonstick Pizza Tray for Oven - Carbon Steel Pizza Baking Pan with Perforated Holes - Premium Bakeware for Fresh & Frozen Pizza, Dishwasher Safe - Copper
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Thank you to Today Show and All-Clad for the 7 Quart Deluxe Slow Cooker.
Author
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Shea Goldstein is the voice behind Dixie Chik Cooks. She's a recipe developer, brand ambassador and food writer. She has been published in Redbook, Parade, MSN, and more. Shea is a Southern Belle Who's Thinking About What's For Dinner While Eating Lunch.
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