Pre-heat oven to 425 and line a baking sheet with tin foil.
In a large resealable plastic bag, toss together broccoli with olive oil and salt. Spread in an even layer on baking sheet and roast for 15-20 minutes or until tender and slightly browned.
While broccoli is roasting, whisk together hoisin dipping sauce by combining all ingredients (hoisin through samba oelek) in a small bowl.
Garnish roasted broccoli with black roasted sesame seeds and serve with hoisin dipping sauce.