diff --git a/src/recipe_graph/scrape.py b/src/recipe_graph/scrape.py
index 02489a7..9effc40 100644
--- a/src/recipe_graph/scrape.py
+++ b/src/recipe_graph/scrape.py
@@ -64,30 +64,20 @@ def parse_ingredient(
 
     return [text.strip() if text else None for text in m.groups()]
 
-
-def reparse_ingredients(session):
+def get_missing_ingredients(session):
     cte = (
         except_(select(db.RecipeIngredient.id), select(db.RecipeIngredientParts.id))
     ).alias("missing")
     missing = (
         session.query(db.RecipeIngredient).where(db.RecipeIngredient.id.in_(cte)).all()
     )
+    return missing
 
+def reparse_ingredients(session):
+    missing = get_missing_ingredients(session)
     for ingredient in missing:
-        parts = parse_ingredient(ingredient.text)
-        if not parts:
-            continue
-        quantity, unit, instruction, name, supplement = parts
-        session.add(
-            db.RecipeIngredientParts(
-                id=ingredient.id,
-                quantity=quantity,
-                unit=unit,
-                instruction=instruction,
-                ingredient=name,
-                supplement=supplement,
-            )
-        )
+        parts = ingredient_to_parts(ingredient)
+        session.add(parts)
 
 
 def load_page(recipe_url: str) -> bs4.BeautifulSoup: