3 tablespoons vegetable oil - divided
1 cup chopped broccoli (crowns and stems)
1 cup carrots - chopped
1 cup cabbage - shredded
1 cup zucchini - diced
1/2 cup bell pepper, cut into 1-inch pieces - thinly sliced
1 cup frozen shelled edamame or peas
3 large eggs - beaten
to taste salt and freshly ground pepper
3 cups white or brown rice - cooked and cooled
1 tablespoon fresh ginger - peeled and minced
2 teaspoons garlic - finely minced
1/4 cup low-sodium soy sauce, plus more for serving or 3 tablespoons regular soy sauce and 1 tablespoon water, plus more for serving
1 tablespoon sesame oil (regular or spicy)
1/2 cup thinly sliced scallions, white and light green parts, plus more for garnish