4 large eggs, beaten
1 tablespoon milk
1/4 teaspoon kosher salt
2 tablespoons extra-virgin olive oil
1 green onion, white and light green parts, finely chopped (about 1 tablespoon)
2 cloves garlic, minced
1 heaping cup / 240 ml well-packed chopped leafy greens (such as kale, Swiss chard leaves without ribs, or spinach)
1/2 cup / 120 ml cooked whole grains (wheat berries, farro, barley, or millet)
1 tablespoon chopped fresh chives
Freshly ground black pepper
Flaky salt
Crusty bread, toasted English muffins, or warm corn tortillas, for serving