"Extra sriracha" refers to adding more of a spicy chili sauce called sriracha to a dish to enhance the flavor and make it hotter.
Full definition
Spoon the hummus into a pretty bowl, drizzle
with extra sriracha sauce and a sprinkle of spice.
I did end up wanting to stir in a little
extra sriracha at the end to kick up the spice, so you'll have to see if you want that as well.
Place each salmon fillet on a serving plate and serve, topping with a pinch
of extra Sriracha Salt if desired.
To amp up the heat, sprinkle with red pepper flakes and drizzle with
extra sriracha.
Serve immediately with
extra Sriracha.