On this festival of Mahashivaratri, may you follow the Shiva Purana and incorporate the following six items while worshipping Lord Shiva:
1. Bathe the Shiv Linga with water, milk and honey, and Wood apple or bel leaves added to it, representing purification of the soul;
2. The vermilion paste applied on the Shiv Linga after bathing it, representing virtue;
3. Offering of fruits, which is conducive to longevity and gratification of desires;
4. Burning incense, yielding wealth;
5. The lighting of the lamp which is conducive to the attainment of knowledge;
6. And betel leaves marking satisfaction with worldly pleasures.
Happy Maha Shivratri!