01 - Place olive oil, sliced garlic, and optional chili or herbs in a small saucepan.
02 - Heat over the lowest setting, ensuring the oil never sizzles or boils, allowing a gentle infusion.
03 - Stir occasionally and continue heating for 15 to 20 minutes until the garlic turns golden and aromatic without browning.
04 - Remove from heat and let the oil cool to room temperature.
05 - Filter the oil through a fine mesh sieve into a clean, dry glass bottle or jar, discarding or reserving the garlic slices.
06 - Refrigerate the infused oil and use within two weeks.