Grilled Salmon with sauce

1 tablespoon olive oil , plus extra for brushing 2 tablespoons onions , chopped 2 garlic cloves , crushed 400 ml tomato passata or 400 ml canned chopped[...]

1 (20 ounce) can pineapple slices 3 tablespoons soy sauce 1/2 teaspoon dry mustard 2 garlic cloves , minced 1 teaspoon ground ginger 1 tablespoon brown sugar[...]

4 each salmon fillets skinned * 1/2 teaspoon tarragon dried,crushed * 1/4 teaspoon salt 1/8 teaspoon black pepper * 2 teaspoons olive oil 2 Garlic clove[...]