Mix the crushed garlic and finely ground coriander seeds into a paste and set aside in a small bowl.
Wash and pat dry the okra. Remove the stems (without breaking into the flesh), slice the okra in half lengthwise. Season with salt and pepper, and toss to combine.
In a frying pan, heat 1 tbsp of extra virgin olive oil on medium high heat. Add Okra cut side down and cook for about 5 minutes undisturbed. Flip the okra and cook another 30 seconds. (Work in batches if the frying pan cannot accommodate all the okra lying flat).
Turn fire to low, push the okra to one side and add 1 tbsp butter and a little oil to the pan. When the butter has melted and starts bubbling, blend in the ground coriander and garlic with the butter and oil and cook for a minute to release the aroma.
With a spatula, gently mix with the okra, cook for a minute longer and serve with a drizzle of lemon juice (optional).