Cashews

Cashews are the seeds of the Anacardium tree, growing at the end of the juicy fruit known as the cashew apple. In everyday language cashews are called nuts, although botanically they are seeds. They have a mild sweetish taste, creamy texture, and high culinary flexibility: they are eaten alone and added to sauces, pastes, desserts, curries, salads, and nut mixes.

For keto, cashews require more caution than almonds, macadamias, or pecans. They contain noticeably more carbohydrates, and the taste is mild and sweetish, so the portion often grows unnoticed. This is not a forbidden food, but more of an occasional addition or a small portion than an unrestricted snack.

Nutritional value

In 100 g of cashews there are usually about 550–580 kcal, roughly 18 g protein, 43–46 g fat, and 27–33 g carbohydrates. A 28 g portion may contain about 155–165 kcal and roughly 8–9 g carbohydrates, with usually little fiber, around 1 g. So the net carbohydrate amount in a standard handful is much higher than in many other nuts.

Cashews contain magnesium, phosphorus, copper, zinc, iron, vitamin K, and B vitamins. The fat profile is dominated by monounsaturated fatty acids; saturated and polyunsaturated fats are also present. Older calculations often give approximate markers of about 58% monounsaturated fats, about 18% saturated, and about 18% polyunsaturated.

Are they suitable for keto?

Cashews can fit keto only through portion control. A small addition to a sauce, salad, or nut mix is usually easier to control than a separate handful. For strict low-carb eating, cashews often lose to macadamias, pecans, walnuts, and almonds because carbohydrates add up faster.

A low glycemic index does not automatically make cashews convenient for keto. Glycemic load and total carbohydrate amount in the serving matter. If the menu already includes berries, dairy products, vegetables, and nut-based baking, a large cashew portion can exceed the daily limit.

How to use them

Whole cashews work well as an accent: a few kernels in a salad, chopped topping for chicken, addition to stewed vegetables, base for a thick sauce, or paste. In Asian and Indian dishes, cashews are often used for softness and a creamy feeling, especially in curries and sauces.

For a keto sauce, cashews are usually soaked and then blended with water, lemon juice, spices, and salt. Such paste is thick, but the carbohydrates remain carbohydrates, so it is counted by spoons. In desserts, cashews are better used as part of a recipe rather than the base of a large portion.

If cashews are added to a hot dish, it is better to put them closer to the end or quickly toast them separately. This keeps the kernels shaped instead of turning them into soft crumbs. For creamy texture, soaking is appropriate: after blending, it gives a smooth sauce base.

How to choose

Good cashews are pale, dry, and free from gray coating, mold, bitterness, and the smell of old oil. Raw or dry-roasted products without sugar, syrups, starch, wheat flour, and sweet glazes are better. Salted cashews are pleasant, but they make it easier to eat more than planned.

Cashews are not sold truly raw straight from the shell. The shell contains caustic compounds, so the seeds are processed before sale. The word “raw” on a package usually means gentle processing, not absence of preparation.

What to pair them with

Cashews pair with chicken, shrimp, cauliflower, broccoli, zucchini, unsweetened coconut milk, ginger, garlic, chili, lime, cilantro, and curry. In sweet versions, their taste is supported by vanilla, unsweetened cocoa, cinnamon, and coconut, but the sweetener and serving should stay controlled.

Limitations

The limitations of cashews are carbohydrates, calorie density, tree nut allergy, and possible heaviness after a large portion. Products with honey, sugar, caramel, rice flour, or a sweet coating do not fit keto. In nut mixes, cashews are often eaten first exactly because of their mild sweetish taste.

How to store them

Cashews are stored in tightly closed packaging, in a dry cool place. For longer storage, the refrigerator or freezer is better because fats gradually age. If a rancid oil smell, bitterness, spots, or traces of moisture appear, the product is discarded.

Nut mixes with cashews are better poured into a jar and marked with the opening date. Pieces and halves age faster than whole kernels because they have more exposed surface. If the product is bought by weight, smelling it before purchase is especially important.

What can replace them?

For a keto snack, macadamias, pecans, walnuts, almonds, or hazelnuts are often more convenient. In creamy sauces, cashews can be replaced with cream, cream cheese, unsweetened coconut cream, tahini, or cauliflower puree. The replacement depends on the task: crunch, softness, fat content, or thickness.

Options on iHerb