Seared Tuna without eggs ginger

2 tuna steaks (1/2 lb each, 4 1/2 inch diameter) 2 Avocados 2 lemons , juiced 1/2 bunch fresh parsley 1 tablespoon minced onion 2 teaspoons minced garlic[...]

3 tablespoons extra-virgin olive oil 3 large garlic cloves , thinly sliced 1/2 cup red onion , thinly sliced 1 1/4-1 1/2 lbs albacore tuna , cut into 1-inch[...]