Party BBQ Pulled Brisket and Caramelized Onion Sliders

Name: Party BBQ Pulled Brisket and Caramelized Onion Sliders
Prep time: 25 min
Cook time: 8 h
Total time: 8 h 25 min
Yield: 12 servings
Cuisine: American
Ingredients: 4 lb (1816 g) beef brisket flat or point, untrimmed, trimmed of excess fat, leaving ¼-inch cap; 1 tbsp (18 g) kosher salt; 2 tsp (4 g) freshly ground black pepper; 1 tbsp (9 g) garlic powder; 1 tbsp (9 g) smoked paprika; 1 tsp (3 g) onion powder; 2 cup (480 ml) BBQ sauce (preferably smoky, Memphis or Texas style); 1½ cup (360 ml) beef broth, low-sodium; 3 tbsp (45 ml) apple cider vinegar; 2 tbsp (30 ml) Worcestershire sauce; 3 lb (1360 g) yellow onions, peeled, halved, and sliced ¼ inch thick; 4 tbsp (57 g) unsalted butter; 2 tbsp (25 g) light brown sugar; ¾ tsp (4½ g) kosher salt; ½ head (650 g) green cabbage, core removed, thinly sliced or shredded; 2 medium (130 g) carrots, peeled, grated or julienned; ¾ cup (180 ml) mayonnaise; 2 tbsp (30 ml) apple cider vinegar; 1 tbsp (20 ml) honey; ½ tsp (3 g) kosher salt; ¼ tsp (½ g) freshly ground black pepper; 24 buns (600 g) soft slider buns (2-inch / 5 cm diameter, about 24 buns for 12 double sliders), lightly buttered and toasted if desired

From the MyKitchenBank Kitchen

Tender, smoky pulled brisket slow-cooked with spices and BBQ sauce, layered on soft slider buns with sweet caramelized onions and cool creamy coleslaw. These bite-sized sandwiches are ideal for parties, potlucks, and gatherings—make them ahead and reheat just before serving.

Prep: 25 min
Cook: 8 hr
Wait: 30 min
Total: 8 hr 55 min
Makes: 12 sliders (about 3 per person for appetizers, or 2 as a light entrée)

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Ingredients

12 servings

For the brisket
4 lb (1816 g) beef brisket flat or point, untrimmed, trimmed of excess fat, leaving ¼-inch cap
1 tbsp (18 g) kosher salt
2 tsp (4 g) freshly ground black pepper
1 tbsp (9 g) garlic powder
1 tbsp (9 g) smoked paprika
1 tsp (3 g) onion powder
2 cup (480 ml) BBQ sauce (preferably smoky, Memphis or Texas style)
1½ cup (360 ml) beef broth, low-sodium
3 tbsp (45 ml) apple cider vinegar
2 tbsp (30 ml) Worcestershire sauce
For the caramelized onions
3 lb (1360 g) yellow onions, peeled, halved, and sliced ¼ inch thick
4 tbsp (57 g) unsalted butter
2 tbsp (25 g) light brown sugar
¾ tsp (4.5 g) kosher salt
For the coleslaw
½ head (650 g) green cabbage, core removed, thinly sliced or shredded
2 medium (130 g) carrots, peeled, grated or julienned
¾ cup (180 ml) mayonnaise
2 tbsp (30 ml) apple cider vinegar
1 tbsp (20 ml) honey
½ tsp (3 g) kosher salt
¼ tsp (0.5 g) freshly ground black pepper
For assembly
24 buns (600 g) soft slider buns (2-inch / 5 cm diameter, about 24 buns for 12 double sliders), lightly buttered and toasted if desired

Equipment (9)

6-quart (5.7 L) slow cooker
Large cutting board
Sharp knife
Large skillet (12 inches / 30 cm)
Measuring cups and spoons
Instant-read thermometer
2 large mixing bowls
Tongs or meat shredder
Shallow baking pan or platter

Steps

Before you start

Trim excess fat from brisket, leaving a thin cap (about ¼ inch). This helps the meat absorb flavors while staying moist.
If using a slow cooker without a timer, plan to start cooking in the morning for an evening event, or the night before for a daytime gathering.
Make the coleslaw up to 4 hours ahead and refrigerate; prep the caramelized onions up to 2 days in advance.

1
Season the brisket
- Pat the brisket dry with paper towels.
- In a small bowl, whisk together kosher salt, black pepper, garlic powder, smoked paprika, and onion powder.
- Rub this dry spice mixture evenly all over the brisket, front, back, and sides, using about 1½ tbsp per side.
- Let the seasoned brisket sit at room temperature for 20 minutes while you prepare the slow cooker.
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Ready when: Brisket is evenly coated with spices and resting at room temperature
Tip: Patting the brisket dry helps the spice rub adhere and promotes better browning.
2
Mix slow cooker liquid
- In a large bowl, whisk together the BBQ sauce, beef broth, apple cider vinegar, and Worcestershire sauce.
- This creates the braising liquid that will tenderize the brisket over the long, slow cook.
- Pour half of this mixture into the bottom of your 6-quart slow cooker.
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Ready when: Liquid is well combined and poured into the slow cooker
Tip: Splitting the liquid lets you layer the meat and sauce for more even flavor distribution.
3
Add brisket to slow cooker
- Place the seasoned brisket into the slow cooker, fat side up.
- Pour the remaining braising liquid over and around the meat.
- The brisket should be mostly covered or at least three-quarters submerged.
- Cover the slow cooker with its lid.
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Ready when: Brisket is positioned in the slow cooker and covered
Tip: Keep the lid on; removing it releases heat and extends cooking time by 30 minutes per opening.
4
Cook brisket on lowOven 195°F / 90°C
- Set the slow cooker to LOW and cook for 8 hours.
- The meat will become tender enough to shred when a fork easily pierces the thickest part.
- At 8 hours, the internal temperature should read 190–195°F (88–90°C) at the thickest point.
- Do not open the lid until the last hour of cooking.
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Ready when: Fork pierces meat easily; internal temperature is 190–195°F (88–90°C)
Tip: Resist the urge to peek; every time you lift the lid, you add about 15–30 minutes to cooking time.
5
Caramelize the onions
- While the brisket cooks, heat a large 12-inch skillet over medium-high heat.
- Add the butter, then add the sliced onions and brown sugar.
- Stir well to coat.
- Cook, stirring often, for 30–40 minutes.
- The onions will first release their liquid (5–10 minutes), then gradually soften and begin to turn golden (15–20 minutes), and finally deepen to a rich caramel brown with tender, jammy texture.
- Near the end, stir more frequently to prevent sticking.
- Season with salt once they reach a deep caramel color.
- Set aside to cool.
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Ready when: Onions are deep golden-brown, tender, and jammy; liquid has evaporated
Tip: Patience is key—rushing the heat will scorch the onions instead of caramelizing them. Stir constantly in the last 10 minutes.
6
Make the coleslaw
- In a large bowl, combine the shredded cabbage and grated carrots.
- In a separate bowl, whisk together mayonnaise, apple cider vinegar, honey, salt, and black pepper.
- Pour the dressing over the cabbage and carrots, and toss until all the vegetables are evenly coated.
- Refrigerate for at least 30 minutes (or up to 4 hours).
- The slaw will soften slightly and the flavors will meld.
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Ready when: Slaw is evenly coated and vegetables are tender when pressed
Tip: Make this up to 4 hours ahead; the longer it sits, the softer and more flavorful it becomes. If it seems dry on assembly day, toss in an extra 1–2 tbsp mayo.
7
Shred the cooked brisketOven 195°F / 90°C
- When the brisket reaches 190–195°F (88–90°C), carefully remove it from the slow cooker and place it on a large cutting board.
- Let it rest for 5 minutes, then use two forks or meat shredders to pull the meat apart along the grain into bite-sized shreds.
- Discard any large chunks of fat or gristle.
- The meat should shred very easily.
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Ready when: Meat pulls apart easily along the grain into tender, bite-sized shreds
Tip: If the meat doesn't shred easily after resting, it may need another 30 minutes in the slow cooker; check temperature again.
8
Combine meat and braising liquid
- Return the shredded brisket to the slow cooker and stir to coat it thoroughly with the braising liquid.
- The brisket should be moist and saturated with the BBQ and spiced broth.
- Taste the mixture and adjust seasoning if needed (more salt, vinegar, or BBQ sauce).
- You can keep the meat warm on the slow cooker's WARM setting (if your model has one) for up to 2 hours before serving.
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Ready when: Brisket is evenly coated and swimming in rich, dark braising liquid
Tip: If the braising liquid is too thin or watery, strain out 1 cup, discard it, and return the remaining liquid and meat to the slow cooker. This concentrates flavor.
9
Toast the slider bunsOven 300°F / 150°C
- If desired, lightly butter the slider buns and toast them in a large skillet over medium heat (working in batches) for about 1–2 minutes per side until lightly golden and warm.
- Alternatively, you can warm them by layering them in a large baking pan, covering loosely with foil, and placing them in a 300°F (150°C) oven for 5 minutes.
- Toasting adds structure so the buns don't get soggy from the juicy brisket.
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Ready when: Buns are warm and lightly golden, firm to the touch
Tip: Toasting or warming the buns prevents them from becoming soggy and falling apart under the weight of the juicy filling.
10
Assemble the sliders
- For each slider, place a bottom bun on a work surface.
- Using tongs or a slotted spoon, place a generous portion of shredded brisket (about 2–3 tbsp) onto the bun, allowing some of the braising liquid to soak in without making it too wet.
- Top with a spoonful of caramelized onions (about 1 tbsp), then a small handful of creamy coleslaw (about 1½ tbsp), and finally the top bun.
- Arrange the sliders on a platter.
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Ready when: All 12 sliders are assembled and arranged on the serving platter
Tip: Use a slotted spoon to keep the brisket from being too wet; let excess braising liquid drip off before placing on the bun. Layer coleslaw last so it stays crisp.
11
Serve immediately
- Serve the sliders warm, immediately after assembly.
- They are best enjoyed fresh, while the brisket is still warm and the coleslaw is cool and crisp.
- Provide small napkins or plates; the juicy filling can drip.
- If the party is longer, keep the brisket warm in the slow cooker on WARM setting, the onions in a covered skillet on a stove's lowest heat, and the coleslaw chilled in the fridge; assemble sliders to order for up to 2 hours.
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Ready when: Sliders are warm, fresh, and ready to serve
Tip: Assemble sliders just before serving so the buns stay firm and don't absorb too much liquid, keeping them easy to pick up.

Good to know

Tips

The slow cooker does the heavy lifting—once the brisket is in, you can focus on caramelizing onions and making slaw. Plan the timeline so caramelized onions are done by the time the brisket finishes.
For a crowd-pleasing variation, serve the brisket, onions, and coleslaw in separate warm bowls, and let guests build their own sliders. This is especially helpful if some prefer no coleslaw or extra sauce.
If your slow cooker cooks hot, place a thin tea towel between the lid and the body to reduce heat and avoid overcooking the brisket.
Double the caramelized onion recipe if you prefer a more generous topping; they are addictive and reheat beautifully.

Make ahead

Prepare the brisket rub and caramelized onions up to 2 days in advance (store the rub in an airtight container and the onions in an airtight container in the fridge). The coleslaw can be made up to 4 hours ahead. The entire slow cooker cooking process can be done 1 day in advance; shred the brisket, cool it completely, and refrigerate in an airtight container. Reheat gently in a covered skillet or microwave with a splash of broth, or in the slow cooker on WARM for 1–2 hours, adding a little broth if needed to restore moisture. Toast buns just before assembly.

Storage & reheating

Room temperature (up to 2 hours): Assembled sliders on a platter covered loosely with foil. Refrigerator (up to 4 days): Store shredded brisket and braising liquid separately in airtight containers; store caramelized onions and coleslaw in separate airtight containers. Reheat brisket gently in a covered skillet over medium-low heat (5–8 minutes) with a splash of broth, or in a 300°F / 150°C oven covered with foil (10–15 minutes), stirring occasionally. Freezer (up to 3 months): Shredded brisket and braising liquid in an airtight container (onions do not freeze well; discard). Thaw overnight in the fridge and reheat as directed above.

Substitutions

BBQ sauce (preferably smoky, Memphis or Texas style) → homemade BBQ sauce (equal parts ketchup, brown sugar, apple cider vinegar, Worcestershire, garlic powder, and smoked paprika, simmered for 10 minutes). Use 2 cups total. Homemade sauce gives you control over sweetness and smoke level.
soft slider buns (2-inch / 5 cm diameter, about 24 buns for 12 double sliders) → small sandwich rolls, mini brioche buns, or whole-wheat slider buns. Any soft 2-inch roll works; avoid overly dense or hard rolls, which will overwhelm the tender meat.
green cabbage, core removed → half green cabbage and half red cabbage (650 g total) for a more colorful slaw. Red cabbage adds visual appeal and a slightly earthier, sweeter flavor.
mayonnaise → greek yogurt or sour cream (180 ml total) for a tangier, lighter coleslaw. Use a 1:1 ratio, though yogurt-based slaws are thinner; use only ½ cup mayo plus ¼ cup yogurt if you prefer creaminess with more tang.