Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-3 No. 333-128101 and Form S-8 No. 333-134784) of Holly Energy Partners, L.P. and in the related Prospectuses of our reports dated February 14, 2008, with respect to the consolidated financial statements of Holly Energy Partners, L.P., and the effectiveness of internal control over financial reporting of Holly Energy Partners, L.P., included in this Annual Report (Form 10-K) for the year ended December 31, 2007.

/s/ ERNST & YOUNG LLP  

Dallas, Texas
February 14, 2008

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