Chinese Pepper Steak

Ingredients

• 1 1/2 lb. sirloin steak (1-inch thick)
• 1/4 c. vegetable oil
• 1 clove garlic, crushed
• 1 tsp. salt
• 1 tsp. ground ginger
• 1/2 tsp. pepper
• 3 large green peppers, sliced
• 2 large onions, sliced thin
• 1/4 c. soy sauce
• 1/2 tsp. sugar
• 1/2 c. beef bouillon
• 1 (6 oz.) can water chestnuts
• 1 Tbsp. cornstarch
• 1/4 c. cold water
• 4 green onions, cut in 1-inch