3 open burgers basil Recipes

olive oil (for brushing ), mayonnaise, chopped fresh basil plus 8 large leaves, divided, chopped drained cornichons or dill pickle plus 1 1/2 tbsp brine from jar, green onions, finely chopped, ground chicken, thick slices country white bread, thick slices from large red or orange heirloom tomato

olive oil (for brushing ), mayonnaise, chopped fresh basil , plus, basil leaves, divided, chopped drained cornichons (or 3 tbsp dill pickle plus 1 1/2 tbsp brine from jars), green onions, finely chopped, ground chicken, bread (thick slices of country white ), tomatoes (large red or orange heirloom tomato)