1. Season meat with soy sauce and ginger.
2. Heat oil in skillet over high heat; add meat and stir-fry 2 minutes; remove.
3. Combine tomatoes and ketchup; add to skillet with snow peas.
4. Cook, stirring often, until thickened and peas are tender-crisp. Add meat. Serve over rice and garnish with sliced green onions, if desired.