Cyncoed defeated Orchard Welsh Women’s Premier League leaders, Cardiff Met, 1-0 after extra-time in the Cup Final at Dragon Park, Newport.
Julia Moulton struck five minutes into extra-time to see Cyncoed win their first silverware under Fern Burrage.
The Mighty Oaks and the Archers meet again next Sunday in a league fixture.
High fives for Swans
Swansea City are eight points behind Cardiff Met with one game in hand, following a 5-0 victory over Rhyl.
Katie Davies opened the scoring with a long range shot and Jodie Passmore doubled the lead in the 43rd minute.
Stacey John-Davis latched onto a Katie Davies’ cross to stab home in the 71st minute and moments later Passmore netted her second.
Substitute Emily Richards slotted home the Swans’ fifth of the afternoon from the edge of the box.
Port Talbot overturn half-time deficit
Port Talbot Town ran out 6-1 winners at Caldicot Town, despite the hosts going ahead on half-time through Kelly Phelps.
Laura-May Walkley levelled 2 minutes after the restart and Vicki Stratton then set up three goals, as the visitors took control.
There were headed goals from Terri Beddows and and Courteney Thomas before Jesci Hare turned in the fourth.
Maisy Fahey-Pennell then crossed for Thomas to place home and Coryn Sexton completed the scoring from 20 yards off a Jess Denscombe pass.