1/4 Cup toasted hazelnuts 1/4 Cup olive oil 1 slice country bread, 1-inch thick 1 Ounce sherry vinegar (you can use apple cider as a substitute) 1 Tablespoon sweet paprika 1 Tablespoon kosher salt Directions Step 1: Get one half of your grill rocket hot. Place the white part of 4 bunches of spring onions over the fire. Grill until charred black all around the onion. Place the burnt onions into a paper shopping bag or wrap them in newspaper to steam out and cool down. Step 2: Char 2 red peppers black over the grill and then place into a plastic bag or a covered heat-proof bowl to steam and cool.