4 hamburger buns, split
1/4 tsp. pepper
1/2 tsp. salt
3 garlic cloves, minced
1 tbsp. honey
1 tbsp. reduced-sodium soy sauce
2 tbsp. minced fresh cilantro
3 tbsp. finely chopped shallot
1 tbsp. Dijon mustard
2 tbsp. grated lime zest
1 pound skinless salmon fillets, cut into 1-inch pieces, divided
1 tbsp. honey
1 tbsp. Dijon mustard
1/4 cup lime juice
2 medium ripe avocados, peeled and cubed
1/4 tsp. pepper
1/2 tsp. salt
1 jalapeno pepper, seeded and finely chopped
1/4 cup minced fresh cilantro
1/2 cup thinly sliced red onion
1 cup thinly sliced cucumber
1-1/2 cups thinly sliced fennel bulb
3 cups thinly sliced cabbage