Prawn toast with Sriracha® and sesame mayonnaise

Name: Prawn toast with Sriracha® and sesame mayonnaise
Prep time: 50 min
Cook time: 1 h
Total time: 1 h 50 min
Cuisine: Asian, Chinese
Ingredients: 30 g sesame oil; 175 g vegetable oil; 1 egg yolk; 1 tsp Dijon mustard; 30 g Sriracha sauce; 20 g white vinegar; 1 pinch sea salt; 30 g panko breadcrumbs; 20 g black sesame seeds; 20 g white sesame seeds; ⅛ tsp sea salt; 1 garlic clove; 1 ½ cm piece fresh ginger; 1 spring onion/shallot; 1 sprig fresh coriander; 250 g raw king prawns; 1 egg white; ½ tsp white sugar; ½ tsp sesame oil; ½ tsp soy sauce; 5 slices white bread; 1 egg; oil