Grilled Oregano Chicken recipes

Name: Grilled Oregano Chicken recipes
Ingredients: 10 oil-packed anchovy fillets, finely chopped; 4 garlic cloves, finely grated; 1 1/2 cups green olives (such as Castelvetrano), plus 1/2 cup brine reserved; 1/2 cup olive oil; 1 tablespoon finely grated lemon zest; 2 tablespoons fresh lemon juice; freshly ground pepper; kosher salt; 1 small onion, thinly sliced; 1/2 cup coarsely chopped fresh oregano, plus leaves for serving; 1 (3 1/2–4-pounds) chicken, halved lengthwise; vegetable oil; tomatoes; oil