Mollie Rouse opened the scoring after 18 minutes, with Rianna Dean and Georgia Stanway extending the advantage to 3-0 by the 26th minute.
Rouse then scored two more in as many minutes, to complete a first-half hat-trick 6 minutes short of the interval.
Zoe Cross made it 6-0 midway through the second half, with Dean doubling her tally at the end as the Young Lionesses made it three straight wins in their groip.
Denmark secured second place by beating mini-tournament hosts Turkey 5-0 in Monday’s other match.
Northern Ireland will host the U-19 EURO between 8th and 20th August 2017,
Pictured – Mollie Rouse. (FA via Getty Images)