Crab Croquettes with Romesco Sauce

Name: Crab Croquettes with Romesco Sauce
Prep time: 1 h
Cook time: 5 h 20 min
Total time: 5 h 20 min
Yield: 24 pieces
Ingredients: 100 g white bread; 70 g Parmesan cheese; 60 g shallots; 2 garlic cloves; 60 g unsalted butter; 90 g plain flour; ½ tsp mustard powder; ¼ tsp ground cayenne pepper; ½ tsp fine sea salt; 2 pinches ground black pepper; 400 g milk; 100 g fresh crab meat; 2 Tbsp fresh chives; 75 g blanched hazelnuts; 2 - 3 garlic cloves; 250 g roasted red peppers, preserved; 20 g extra virgin olive oil; 15 g sherry vinegar; 1 tsp sweet smoked paprika; 2 pinches ground cayenne pepper; ¼ tsp fine sea salt; 2 pinches ground black pepper; 60 g plain flour; 2 medium eggs; sunflower oil