1. If using frozen edamame, cook according to package instructions, usually about 5-6 minutes in boiling water.
2. Put the cooked edamame in a food processor or blender.
3. Add the garlic, tahini, lemon juice, olive oil, salt, and cumin (if using) to the food processor.
4. Blend until smooth, gradually adding water until you reach the desired consistency.
5. Taste and adjust the seasonings, adding more salt or lemon juice if needed.
6. Serve the edamame hummus with fresh vegetables or whole grain crackers.