Finely mince green garlic stems or leaves to make 4-5 T. Place in a container with 3/4 C. red wine vinegar, or a combination of red wine vinegar and lemon juice. Add 1/4 t. salt and a dash of hot pepper flakes. Let it sit for at least 10 minutes.
Cut the stems and roots off 1 bunch of cilantro, then rinse the cilantro and spin dry. Mince it as finely as possible. Mince 2 T. fresh or 2 t. dried oregano leaves.
Combine the herbs with the garlic and vinegar, and then add 3/4 C. of olive oil. Season to taste with more salt.