Combine 1 tablespoon vinegar, 1 tablespoon soy sauce, and beef in a large bowl.
Combine remaining 2 tablespoons vinegar, remaining 1 tablespoon soy sauce, sugar, hoisin, salt, and crushed red pepper in a small bowl; stir with a whisk.
Heat a large nonstick skillet over medium-high heat.
Add 1 teaspoon oil to pan; swirl to coat.
Add beef mixture to pan; stir-fry 2 minutes or until done.
Place beef mixture in a bowl.
Heat remaining 1 teaspoon oil in pan over medium-high heat.
Add onion to pan; saut 1 minute.
Add ginger and garlic; saut 15 seconds. Stir in bell pepper, carrot, and peas; saut 3 minutes.
Add vinegar mixture and beef mixture to pan; cook 2 minutes or until thoroughly heated.
Remove from heat; stir in green onions.
Steamed rice with green onions: Cook 1 cup white rice according to package directions, omitting salt and fat.
Remove from heat; stir in 3/4 cup chopped green onions and 1 teaspoon toasted sesame seeds.