3 halibut olive bread roasted tomato garlic Recipes

tomatoes, cored, diced, chopped red onion, anchovy fillets, minced, garlic cloves (2 minced, 1 halved ), cod fillets or other white fish fillets (such as halibut; about 1 inch thick), olive oil, divided, thick slices country white bread, fresh basil leaves

fresh bread crumbs (from about 1 slice), chopped fresh tarragon leaves, chopped pitted kalamata or other brine-cured black olives (about 5), mayonnaise, dijon mustard, two 1-inch thick halibut or other firm-fleshed fish fillets such as scrod (each about 6 oz), extra-virgin olive oil plus additional for brushing pan, tomatoes (about 6), cut into 1/4-inch-thick slices, garlic cloves, unpeeled, balsamic vinegar , or to taste, water for thinning coulis