The sweet and sour fish

Ingredients:
8 fillets of fish with white flesh, 2 sliced peppers,
1a½ tablespoon of vinegar of Savagnin,
1 tablespoon of sugar, 8 cloves of garlic cut into thin slices,
1 tablespoon mustard powder,
2 cups of tomato puree, 2 tablespoons raisins without grains,
1 teaspoon of salt, 4 tablespoons of breadcrumbs

2 tablespoon of clarified butter. Recipe:
Mix the breadcrumbs, mustard and salt.
Pass the fish fillets in this mixture and let stand for 2 hours.
Heat the clarified butter and sauté raisins until they are golden brown.
Remove from the Pan and drain on a paper towel.
In the same pan, fry the garlic and pepper pieces.
Then add fish, tomato puree, and lower the heat to a minimum. Simmer the fillets for 5 minutes in the sauce.
Meanwhile, mix the sugar and the vinegar of Savagnin, which should be added to the sauce just before removing it from the fire and serve.