Pour the bija seeds into a small saucepan. Add garlic, oregano, and thyme.Pour in the oil.
Heat on the stove at very low heat for one hour.Once the hour has passed, remove from the heat, and set aside to cool to room temperature. Sieve with a fine sieve to discard the solids.
Pour into a clean bottle with a tight fitting lid, and store at room temperature. This has a long shelf life, but it's best used within the month.
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Notes
You can add or omit other flavoring ingredients of your choice, though this may affect its shelf life.