Not all heroes wear capes.

Tuesday night at TD Garden, it was a Crimson No. 1 and No. 14 instead.

Largely fueled by another exceptional showing in net from Duxbury native Ainsley Tuffy (46 saves), Harvard returned to Women’s Beanpot supremacy by beating Boston University in overtime, 2-1, in the tournament final.

Carla McSweeney scored the game-winning goal 1:17 into the extra period, lifting the Crimson (11-10-1) to their first Beanpot title since 2022 and their 16th overall. Northeastern, which was denied a fourth straight title by the Terriers (7-13-3) in a stunning semifinal loss last week, is tied with Harvard for the most in tournament history.

Boston University Terriers forward Lilli Welcke (26) fires the puck at Harvard Crimson left wing Ainsley Tuffy (1) as Harvard takes on BU in the Women’s Beanpot championship. (Staff photo by Stuart Cahill/Media News Group)

Harvard and BU were in a 1-1 standstill after the first two periods, with Harvard handicapped by four penalties in the second period within a rare, undisciplined showing. The Crimson had seven total infractions, despite entering the matchup averaging less than six penalty minutes per game.

Harvard stood strong to overcome it though, staving off wave after wave of BU pressure to eventually force overtime. McSweeney took a loose puck off a block from the Crimson d-zone and went end-to-end to draw a penalty shot. Harvard opted to give the first-year right wing the chance to win it, and she delivered with a left-to-right move that beat BU goalie Mari Pietersen (14 saves). The goal was McSweeney’s eighth of the year.

Coming off a 40-save outing against Boston College in last week’s Beanpot semifinal, Tuffy again stole the show again with a hefty workload throughout.

Harvard got on the board first in the opening two minutes, with Andover native Gwyn Lapp finishing off a tricky bounce in front for a 1-0 lead. BU generated 13 shots on Tuffy in the first period, though, it got one past her on a power play that Greta Henderson tipped over her shoulder off a shot from Maeve Kelly at the right point. Three of those shots even came shorthanded during the Terriers’ first penalty kill, shortly after they tied the score.

The Terriers’ pressure only ramped up from there, aided by the Crimson’s four-penalty second period. BU was relentless on the attack, generating 18 shots on Tuffy in the frame as it produced several quality looks on the inside.

Harvard Crimson right wing Brooke Manning (19) and Harvard Crimson left wing Ainsley Tuffy (1) kiss the Beanpot as Harvard takes on BU in the women’s Beanpot Championship. (Staff photo by Stuart Cahill/Media News Group)

Harvard entered the night with a .844 penalty kill percentage, and it went a perfect 4-for-4 in the frame to keep it even entering the last 20 minutes of regulation. After the Terriers scored on their first power play, it went 0-for-6 the rest of the way.

Tuffy’s 16 saves in the second, including a pair of heart-stopping stuffs in the final minute, sealed a memorable performance for the ages that earned her Beanpot MVP honors.