Some mothers report using avoidant coping strategies (minimizing, punishing) in response to their young children's negative emotion, an aspect of insensitive parenting that places children at risk for emotional or behavioral dysregulation (Fabes et al., 2001) and insecure attachment (De Wolff & van Ijzendoorn, 1997). In prior work, an in-home attachment-based relational savoring (RS) intervention, administered over a month's time, positively affected maternal emotion and sensitive behavior with young children (Borelli et al., 2023); further, a one-time online RS protocol had greater impacts on emotion and relationship satisfaction for mothers with greater attachment avoidance (Burkhart et al., 2015). However, we do not yet know whether a brief, laboratory intervention impacts highly avoidant mothers' behavior with their children and not just their self-reports of satisfaction. Here, we examine whether mothers' endorsement of avoidant coping strategies moderates the effect of an RS versus active control intervention on mothers' use of emotion-coaching during an emotionally charged conversation with their child. Mothers (N = 122; Mage = 33.42, SD = 5.40) and their preschoolers (Mage = 41.80 months, SD = 4.65; 48.4% female) from diverse backgrounds (41% Latina, 40% White [non-Latina]; 42% under $60,000 annual income) participated. The interaction between condition and level of avoidant coping on mothers' emotion-coaching behaviors was significant. Mothers high in avoidant coping (top quartile) displayed better emotion-coaching during the emotion conversation if they had been in the RS condition. Savoring may be a valuable tool to promote effective emotion-coaching among parents most prone to avoid their children's negative emotion. (PsycInfo Database Record (c) 2024 APA, all rights reserved).