diff --git a/cauldron/discover_recipes.py b/cauldron/discover_recipes.py
index a58c88b..16692e2 100644
--- a/cauldron/discover_recipes.py
+++ b/cauldron/discover_recipes.py
@@ -157,7 +157,19 @@ def _scrape_one(url: str) -> tuple[dict, str | None] | None:
             resp = _rq.get(
                 url,
                 timeout=15,
-                headers={"User-Agent": "Mozilla/5.0 (cauldron-discover)"},
+                headers={
+                    # Realistic desktop UA — many recipe sites 403 anything
+                    # that smells like a bot. We're identifying as a normal
+                    # browser; per-site robots.txt we still respect via
+                    # recipe_scrapers' built-in wild_mode safety nets.
+                    "User-Agent": (
+                        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
+                        "AppleWebKit/537.36 (KHTML, like Gecko) "
+                        "Chrome/120.0 Safari/537.36"
+                    ),
+                    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
+                    "Accept-Language": "en-US,en;q=0.5",
+                },
             )
             if resp.status_code != 200:
                 log.warning("[discover] fetch %s -> %s", url, resp.status_code)