For best results, use high-quality, sustainable tuna loins (e.g., albacore or yellowfin). Ensure the tuna is fully submerged in oil during cooking to prevent it from drying out and to ensure proper preservation. Store in clean, sterilized jars, fully covered with oil, in the refrigerator for up to 2-3 weeks. Always bring to room temperature before serving for optimal flavor. The infused olive oil can also be used for dressings or cooking.
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