In a medium bowl, wish together 1.5 Tbsp olive oil soy sauce, hoisin, honey, cilantro, juice, garlic, ginger, sesame oil and red pepper flakes. Reserve 1/3 cup marinade and set aside.
Place the remaining marinade of the salmon and let sit for 30 minutes at room temperature
Pre-heat oven to 425℃. Line a baking sheet with parchment paper.
Arrange the salmon on the baking sheet. Add the broccoli around the salmon. Drizzle with the remaining 1.5 Tbsp olive oil and season with salt and pepper. Bake 15 minutes.