Granny's Pepper Steak - A Savory Delight

Ingredients

• 1½ lbs sirloin or round steak, thinly sliced against the grain
• ½ tsp sea salt
• 2 medium yellow onions, chopped
• 1 cup beef broth
• 3 tbsp soy sauce
• 1 clove garlic, minced
• 2 large green bell peppers, sliced into strips
• 2 tbsp cornstarch
• ¼ cup cold water
• 2 large tomatoes, peeled and cut into chunks