Romesco And Grilled Leeks

Name: Romesco And Grilled Leeks
Ingredients: 4 medium red bell peppers; 2 plum tomatoes; 1 medium yellow onion, unpeeled; 3 tablespoons olive oil, divided; 3 cloves garlic, unpeeled; 1 dried ancho chili; 1 1-inch slice white country bread, with crusts removed; 1/2 cup sliced almonds; 2 teaspoons sweet paprika; 1 teaspoon smoked paprika; 1/4 cup extra-virgin olive oil, or thereabouts; 2 tablespoons sherry vinegar, plus extra; Kosher salt, to taste; 12 small leeks; 1 teaspoon olive oil; Kosher salt and freshly-ground black pepper to taste; Smoked salt to serve, optional