Peanut flour is made from crushed, fully or partly defatted peanut

Peanut

The peanut, or groundnut , is a species in the legume or "bean" family , so it is not a nut. The peanut was probably first cultivated in the valleys of Peru. It is an annual herbaceous plant growing tall...

s. Peanut flour, depending on how much fat was removed, is packed with protein, providing up to 31.32g per cup. Culinary professionals use peanut flour as a thickener for soups, a flavor and aromatic enhancer in breads, pastries and main dishes.

Types

Light Roast
Light roast 12% fat is lightest in roast, aroma and in flavor of all of the peanut flours offered. It is used in applications where the peanut flour is not needed for flavor. Light roast with 28% fat provides a light flavor and aroma to dishes. It is used in culinary dishes where only a subtle flavor is needed.

Dark Roast
The dark roast peanut flours provide a robust peanut taste and aroma. Both roasts are used when a strong peanut flour is wanted in the culinary dish. The dark roast 12% fat is less in flavor than the 28% fat.

Nutritional value

Peanut Flour, defatted, is listed as being very nutritional and is very low in Saturated Fat and Cholesterol. It is also a good source of Dietary Fiber, Thiamin, Folate, Potassium and Zinc, and a very good source of Protein, Niacin, Magnesium, Phosphorus, Copper and Manganese.

Nutrient	Units	Amount per cup
Water	g	4.68
Energy	kcal	196
Protein	g	31.32
Total Fat	g	0.33
Minerals	g	2.85
Carbohydrate	g	20.82
Fiber	g	9.5
Sugar	g	4.93

Source

Source: USDA National Nutrient Database for Standard Reference, Release 22 (2009)