Evidence-Based Policymaking (EBPM) has been a call of expectation towards policymakers to accurately use scientific evidence in their policymaking process. However, the complexity of the policymaking process renders the ideal notion of EBPM questionable. This research attempts to understand how the EBPM as an idea can shape the interactions of actors in the policymaking process by using discursive institutionalism as the analytical framework. By conducting ten interviews with actors involved in the making of EBPM and a close examination of the policy documents for content analysis, this research describes the institutional features of EBPM discourse in Cross River State, which are reflected in the interactions of policy actors in the policymaking process. This research also offers descriptive and learning narratives on the role of discourse in the policymaking process.