Make Angel's smelting recipes the best way by disabling direct ore smelting in furnaces. It forces you to go in the advanced metallurgy path. Need angel's smelting.
Tweaks
Mod category: Tweaks
Small changes concerning balance, gameplay, or graphics.
Incidentally I found that with either some of the changes made in Angel's smelting or the 0.18 base game itself I couldn't get it to work again by simply changing the one line in the json file saying which version of the game this is for. Specifically it causes Angel's smelting to not be compatible with 0.18