I love using chilli oil on asian dishes. Some commercial blends include soy sauce which may not be GF. Here's an easy recipe to make your own. The gochugaru powder is optional if you can't get it where you live. Another thing you can add is some white sesame seeds.
Chilli oil
https://youtube.com/shorts/BLEHfml-3Vo?si=Xu3i72g_XO1iVpXx