Ingredients:
- 1 bunch mustard greens, cleaned
- 1 bunch turnip greens, cleaned
- 1 bunch kale, cleaned
- 1 bunch Swiss chard, cleaned
- 2 tablespoons extra-virgin olive oil
- 1 large yellow onion, thinly sliced
- 4 cloves garlic, thinly sliced
- Kosher salt and freshly ground pepper
- 1 1/2 cups chicken broth