diff --git a/src/types/types-external.ts b/src/types/types-external.ts
index 098e7adc..d1ef6482 100644
--- a/src/types/types-external.ts
+++ b/src/types/types-external.ts
@@ -252,6 +252,11 @@ export interface IProduceWithPatches {
 	): Promise<PatchesTuple<Base>>
 }
 
+/**
+ * The type for `recipe function`
+ */
+export type Producer<T> = (draft: Draft<T>) => ValidRecipeReturnType<Draft<T>> | Promise<ValidRecipeReturnType<Draft<T>>>
+
 // Fixes #507: bili doesn't export the types of this file if there is no actual source in it..
 // hopefully it get's tree-shaken away for everyone :)
 export function never_used() {}