Slow-cooker pulled-pork sliders

Name: Slow-cooker pulled-pork sliders
Prep time: 20 min
Cook time: 4 h 30 min
Total time: 4 h 50 min
Cuisine: American
Ingredients: 2 tbs olive oil; 3.3kg skinless pork shoulder, bone in; 3 garlic cloves, crushed; 3 Pink Lady apples, 1 chopped, 2 sliced; 3 red onions, 2 chopped, 1 thinly sliced; 1 fennel bulb, chopped, plus 2 extra baby fennel, thinly sliced, fronds reserved; 2 tsp fennel seeds; 1 tsp cayenne pepper; 1 tbs smoked paprika (pimenton); 2 tbs tomato paste; 330ml apple cider (we used Pink Lady); 3 cups (750ml) salt-reduced Campbell's chicken stock; 1/2 cup (125ml) smoky barbecue sauce; 1/2 cup (125ml) maple syrup; 1/2 cup (150g) mayonnaise; Juice of 2 limes; Split brioche buns, to serve