Minecraft wiki entry for Smelting, associated text: 1 Usage and mechanics
2 Recipes
2.1 Foods
2.2 Ores
2.3 Furnace-only
2.4 Gear
3 Fuel
3.1 Items that can be used as fuel in all types of furnaces
4 Hopper automation
5 Achievements
6 Advancements
7 History
8 Trivia
9 See also
10 References