Wash the vegetables carefully. Let the cucumbers dry on a towel. Peel the carrot and cut into thin strips. Separate the cauliflower on the inflorescences. Peel the shallots. Divide each pepper into 10-12 strips and remove the seeds. Cut the dill.
Blanch the carrot and cauliflower in salted boiling water for 3-4 minutes. Arrange all vegetables in clean mason jars.
For the marinade, bring the water and vinegar with the spices to a boil. Add the boiling marinade to the vegetables and seal the jars. Let it steep for 3-5 days at room temperature.
The vegetable jars can be kept in the refrigerator for 2-3 months, an open jar lasts for 4-5 days.