diff --git a/rosco-core/src/main/groovy/com/netflix/spinnaker/rosco/providers/aws/AWSBakeHandler.groovy b/rosco-core/src/main/groovy/com/netflix/spinnaker/rosco/providers/aws/AWSBakeHandler.groovy
index 139c80a73..c21cc816b 100644
--- a/rosco-core/src/main/groovy/com/netflix/spinnaker/rosco/providers/aws/AWSBakeHandler.groovy
+++ b/rosco-core/src/main/groovy/com/netflix/spinnaker/rosco/providers/aws/AWSBakeHandler.groovy
@@ -16,6 +16,7 @@
 
 package com.netflix.spinnaker.rosco.providers.aws
 
+import com.netflix.spinnaker.kork.dynamicconfig.DynamicConfigService
 import com.netflix.spinnaker.rosco.api.Bake
 import com.netflix.spinnaker.rosco.api.BakeOptions
 import com.netflix.spinnaker.rosco.api.BakeRequest
@@ -36,6 +37,9 @@ public class AWSBakeHandler extends CloudProviderBakeHandler {
   @Autowired
   RoscoAWSConfiguration.AWSBakeryDefaults awsBakeryDefaults
 
+  @Autowired
+  DynamicConfigService dynamicConfigService
+
   @Override
   def getBakeryDefaults() {
     return awsBakeryDefaults
@@ -87,6 +91,13 @@ public class AWSBakeHandler extends CloudProviderBakeHandler {
       awsVirtualizationSettings.sourceAmi = bakeRequest.base_ami
     }
 
+    // Attempt to lookup baseAmi via dynamicConfigService if unset in the bakeRequest or rosco.yml
+    // Property name: "aws.base.${bakeRequest.base_os}.${bakeRequest.vm_type}.${bakeRequest.base_label}.$region"
+    if (!awsVirtualizationSettings.sourceAmi) {
+      def property = "aws.base.${bakeRequest.base_os}.${bakeRequest.vm_type}.${bakeRequest.base_label}.$region"
+      awsVirtualizationSettings.sourceAmi = dynamicConfigService.getConfig(String, property, null)
+    }
+
     return awsVirtualizationSettings
   }