Salmon Roasted With Anchovies and Served with Anchovy Mayonnaise Tzatziki

Name: Salmon Roasted With Anchovies and Served with Anchovy Mayonnaise Tzatziki
Ingredients: For the Anchovy Mayonnaise Tzatziki; • 3/4 cup the best quality mayonnaise; • 2 flat anchovy fillets in olive oil, drained and very finely minced, preferable to paste consistency; • 1/2 of a medium red onion, finely diced; • 1 large garlic clove, grated on a microplane; • 1 jalapeno pepper, seeded and minced; • 2-3 teaspoons apple cider vinegar; • 2 teaspoons lemon zest; • Lemon juice to taste, about 3 teaspoons; • A little Kosher salt (if needed) and a generous amount of freshly ground black pepper; • 1/4 cup fresh dill, finely chopped; For the roasted salmon; • About 1 3/4 to 2 pounds fresh salmon fillet with the skin; • About 1/2 tin flat anchovy fillets in olive oil, well drained; • Kosher salt to taste and a generous amount of freshly ground black pepper; • 2 tablespoons olive oil, divided