Table of Contents
Roast beef reaches 145°F (63°C) for medium-rare doneness. Caramelized onions take 30 minutes over low heat to develop sweetness.
Slider buns toast best at 350°F (175°C) for 5 minutes to avoid sogginess.
Au jus should be simmered until it reduces to a thick glaze for maximum flavor.
Use a meat thermometer to avoid undercooking the beef.
Caramelized onions may burn if not stirred occasionally.
Slider buns can be substituted with brioche or sourdough.
Roast beef can be pre-sliced for faster assembly.
About the Ingredients
1 (3-pound) beef roast
Choose a well-marbled cut for juiciness. Substitute with thinly sliced deli meat if short on time.
6 slider buns
Use brioche or sourdough for better texture. Gluten-free buns work for dietary needs.
1 large onion, thinly sliced
Red onions add color and mild tang. Use shallots for a more delicate flavor.
1/4 cup (30g) brown sugar
Adds sweetness to the onions. Substitute with maple syrup for a different flavor note.
2 tbsp (30ml) olive oil
Coats onions evenly. Use butter for a richer caramelization.
1 cup (240ml) beef broth
Used to make au jus. Chicken broth works if beef is unavailable.
1 tbsp (15g) Worcestershire sauce
Enhances umami. Substitute with soy sauce for a saltier alternative.
1/2 tsp (2.5g) garlic powder
Adds depth without overpowering. Fresh garlic can be used if preferred.
1/4 tsp (1g) black pepper
Balances sweetness. Use cayenne for a spicy kick.
1/2 cup (120ml) melted butter
Optional for basting. Use olive oil if avoiding dairy.
Frequently Asked Questions
Q: Can I use a different type of meat?
Yes, thinly sliced deli roast beef or pre-cooked turkey works well as alternatives.
Q: What if I don’t have slider buns?
Use mini brioche rolls or cut regular sandwich buns in half for a similar effect.
Q: How do I know the onions are done?
They should be deep golden brown and syrupy, which takes about 30 minutes of slow cooking.
Q: Can I make this ahead of time?
Yes, roast beef and onions can be prepared in advance and assembled just before serving.
Step-by-Step Instructions
1. Prepare the beef
Season the roast with garlic powder and black pepper. Place in a roasting pan and cook at 325°F (165°C) for 35 minutes. Use a meat thermometer to check doneness.
2. Caramelize the onions
Heat olive oil in a skillet over medium heat. Add sliced onions and cook for 30 minutes, stirring occasionally. Add brown sugar during the last 5 minutes to deepen the flavor.
3. Make the au jus
In a saucepan, simmer beef broth and Worcestershire sauce for 10 minutes. Strain into a bowl and keep warm for assembly.
4. Toast the buns
Place slider buns cut-side down on a baking sheet. Toast at 350°F (175°C) for 5 minutes until golden and crisp.
5. Assemble the sliders
Layer sliced roast beef, caramelized onions, and a drizzle of au jus onto the toasted buns. Serve immediately with a side of pickles.
Delicious Variations
- Replace roast beef with grilled chicken or turkey for a lighter option.
- Swap caramelized onions for sautéed mushrooms or roasted bell peppers.
- Use cheddar or Swiss cheese instead of provolone for different flavor profiles.
How to Store French dip sliders
Refrigerator
Store leftover roast beef in an airtight container for up to 3 days. Reheat in the oven at 300°F (150°C) for 15 minutes.
Freezer
Freeze assembled sliders in a single layer for up to 2 months. Thaw overnight in the fridge before reheating.
Reheating
Reheat in a 300°F (150°C) oven for 15 minutes. Avoid microwave to prevent sogginess.
Try these French dip sliders for a quick, flavorful meal. They’re perfect for weeknight dinners or gatherings. Adjust ingredients to suit your taste and enjoy.
French Dip Sliders – Tender Roast Beef Sandwiches in 50
Tender roast beef on toasted buns with caramelized onions and au jus, ready in under an hour for a satisfying meal.
🧂 Ingredients
- 1 (3-pound) beef roast
- 6 slider buns
- 1 large onion, thinly sliced
- 1/4 cup (30g) brown sugar
- 2 tbsp (30ml) olive oil
- 1 cup (240ml) beef broth
- 1 tbsp (15g) Worcestershire sauce
- 1/2 tsp (2.5g) garlic powder
- 1/4 tsp (1g) black pepper
- 1/2 cup (120ml) melted butter
📋 Instructions
- 1Prepare the beef — Season the roast with garlic powder and black pepper. Place in a roasting pan and cook at 325°F (165°C) for 35 minutes. Use a meat thermometer to check doneness.
- 2Caramelize the onions — Heat olive oil in a skillet over medium heat. Add sliced onions and cook for 30 minutes, stirring occasionally. Add brown sugar during the last 5 minutes to deepen the flavor.
- 3Make the au jus — In a saucepan, simmer beef broth and Worcestershire sauce for 10 minutes. Strain into a bowl and keep warm for assembly.
- 4Toast the buns — Place slider buns cut-side down on a baking sheet. Toast at 350°F (175°C) for 5 minutes until golden and crisp.
- 5Assemble the sliders — Layer sliced roast beef, caramelized onions, and a drizzle of au jus onto the toasted buns. Serve immediately with a side of pickles.






