Increase heat to medium-high. Add 1 tablespoon butter, onions, and red bell pepper. Cook 3 minutes or until onions are soft, stirring frequently. Stir in the garlic and ginger until blended. Add remaining 2 tablespoons butter, rice, green onions, spinach, cabbage, and reserved chopped egg. Cook approx. 1–2 minutes or until heated through and spinach is slightly wilted, stirring constantly using two utensils as you would a stir-fry.