Wash and clean the zucchini and cut into sticks, cut the onions into rings. Wash and clean the peppers and cut into sticks. Add 2 tablespoons of salt to the vegetables and let them steep for about 30 minutes. Cook a vinegar broth from the specified ingredients. Add the vegetables and cook together for about 5 minutes. Pour hot into prepared jars and close immediately. Tip: If you want to keep the zucchini longer, you can boil the jars down at 80 degrees Celsius for about 20 minutes.