Grilled Salmon With Balsamic Onions without asparagus

1 1/4 cups olive oil 6 tablespoons lime juice 24 ounces salmon fillets , 1-inch thick 3 small tomatoes , chopped 1 small carrot , julienned 1 small zucchini ,[...]

4 salmon fillets 1 tablespoon olive oil , for brushing the fillets salt pepper 1 lemon , juiced 1 large purple onion , sliced thin 1 tablespoon olive oil 2[...]