Does all flour come from wheat?

No, not all flour comes from wheat. While wheat flour is the most common type, there are many other flours derived from different grains, legumes, and even nuts.

Here are some examples:

* Grain flours:

* Rice flour: Made from ground rice.

* Corn flour: Made from ground corn.

* Oat flour: Made from ground oats.

* Rye flour: Made from ground rye.

* Barley flour: Made from ground barley.

* Spelt flour: Made from a type of ancient wheat.

* Kamut flour: Made from another type of ancient wheat.

* Legume flours:

* Chickpea flour: Also known as besan, made from ground chickpeas.

* Lentil flour: Made from ground lentils.

* Soy flour: Made from ground soybeans.

* Nut flours:

* Almond flour: Made from ground almonds.

* Coconut flour: Made from ground coconut meat.

* Hazelnut flour: Made from ground hazelnuts.

So, while wheat flour is popular, there's a wide variety of other flours available to use in your baking and cooking.