Over the past decade there has been growing interest in the identification of core practices and their incorporation into teacher-training programmes. Researchers have made use of methodological approaches based on consultation with experts and, to a lesser degree, field or empirical studies. With the aim of characterising research on core practices, we conducted a review of the recent scientific literature, identifying conceptualisations and methodological approaches. We examined 39 scientific articles published between 2019 and 2023 and identified five underlying conceptual dimensions: teachability, teacher performance, ambitious teaching, improvement of student performance, and research-based support. The most common methodological approaches used consisted of descriptive qualitative case studies conducted in the context of teacher-training programmes. We discuss how these findings could influence the use of empirical methods to identify core practices in more recently emerging fields of application, such as early childhood teacher education.