Slow Cooked Pepper Steak

Ingredients

• 1 1/2 to 2 lb. round steak
• 2 Tbsp. cooking oil
• 1/4 c. soy sauce
• 1 c. chopped onion
• 1 clove garlic, minced
• 1 tsp. sugar
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1/4 tsp. ground ginger
• 4 tomatoes, cut into eighths or 1 (16 oz.) can tomatoes with liquid
• 2 large green peppers, cut into strips
• 1/2 c. cold water
• 1 Tbsp. cornstarch