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Mixed Nuts and Seeds UK: What to Put in a Healthy Snack Box


A good healthy snack box is about 60% nuts, 25% seeds and 15% dried fruit. Nuts give it substance, seeds add crunch and fibre, and a little dried fruit keeps you coming back to it. Get the ratio wrong and you end up with a tub that is too heavy, too dusty or too sweet, and it sits in the cupboard.

This guide covers which mixed nuts and seeds to choose, exact weights for a 500g box, how much to eat, and how to keep it fresh.

Why Nuts and Seeds Work Together

Nuts and seeds do different jobs. Nuts carry most of the fat and protein, which is why a small handful of almonds keeps you going longer than a bag of crisps. Seeds are smaller and lighter, and bring fibre, minerals and a different texture.

Flax seeds, chia seeds and walnuts also contain plant-based omega-3. Mixing all of these gives you a wider spread of nutrients than any single nut on its own.

The Best Nuts for a Snack Box

  • Almonds. The base of most mixes. Mild, crunchy and easy to eat every day.

  • Cashew nuts. Softer and slightly sweet, so they balance the firmer nuts.

  • Walnuts. A gentle bitterness that stops the mix tasting flat.

  • Brazil nuts. Rich and creamy, and naturally high in selenium. Whole brazil nuts are large, so two or three per portion is plenty.

  • Pecans and hazelnuts. Not essential, but they make the box feel more generous.

  • Macadamia nuts. Buttery and a treat. Add a few if you want something special.

Choose natural, unsalted nuts for an everyday box. Salted and flavoured nuts are easy to overeat and add salt you do not need.

If you would rather not buy six bags separately, the Premium Everyday Nuts Combo covers almonds, cashew nuts, walnut halves, hazelnuts, brazil nuts and pecan nuts in one order.

The Best Seeds to Add

Seeds are where most homemade mixes go wrong. People either leave them out or add so many that the bottom of the tub turns to dust.

  • Pumpkin seeds. The most snackable seed. Crunchy and good by the handful.

  • Sunflower seeds. Similar bite, milder flavour, and good value for bulking out a mix.

  • Chia seeds. Too fine to eat by the handful. Stir a spoonful into yoghurt or porridge instead.

  • Flax seeds. Best ground or soaked. Keep them in a separate jar and add at breakfast.

For the snack box itself, stick to pumpkin and sunflower seeds. Keep chia and flax alongside for breakfast. The Super Seeds Combo includes all four.

Dried Fruit: A Little Goes a Long Way

Dried fruit is optional, but a small amount is often the difference between a box you finish and one you forget. It adds sweetness and a softer texture.

Golden raisins are the easiest starting point. Jumbo black raisins, dried goji berries and chopped pitted prunes all work too.

Keep it to roughly one part dried fruit for every four or five parts nuts and seeds. Dried fruit is high in natural sugar and sticks to teeth, so treat it as an accent.

A 500g Snack Box Recipe

This fills a medium storage tub and makes about 16 portions.

Nuts (300g):

  • 150g almonds

  • 75g cashew nuts

  • 50g walnut halves

  • 25g brazil nuts, roughly chopped

Seeds (125g):

  • 75g pumpkin seeds

  • 50g sunflower seeds

Dried fruit (75g):

  • 75g golden raisins

Tip everything into a large bowl, mix with your hands, and transfer to an airtight container. If you want a ready-made base with less weighing, the Healthy Nuts & Seeds Box brings together almonds, cashew nuts, pumpkin seeds, sunflower seeds, chia seeds and flax seeds.

How Much Should You Eat?

A portion is about 30g, which is a small handful. Nuts and seeds are energy-dense, so it is easy to eat three portions without noticing when you graze from the tub.

Two habits help:

  • Portion it out. Fill a small pot or bag for the day and leave the main tub in the cupboard.

  • Eat it with something. A handful alongside fruit or yoghurt is more satisfying than nuts alone.

Four Variations

  • Gym and active days. Raise the almonds, cashew nuts and pumpkin seeds. The Protein Power Pack is built around these, with hazelnuts and walnut halves.

  • More fibre. Shift the balance towards seeds, and add ground flax or chia at breakfast.

  • No added sugar. Leave out the dried fruit and add a few extra pecans for natural sweetness.

  • For children's lunchboxes. Check the school's nut policy first. Many schools are nut-free, in which case a seeds and raisin mix is the safer option.

Other Ways to Use the Mix

  • Porridge and yoghurt. A spoonful on top adds crunch and makes breakfast more filling.

  • Smoothies. Blend in a spoonful of chia or ground flax.

  • Salads. Toast pumpkin and sunflower seeds in a dry pan for two minutes and scatter over.

  • Baking. Chopped nuts work in banana bread, flapjacks and granola. Desiccated coconut and sliced almonds are worth keeping for the same purpose.

How to Store Nuts and Seeds

The natural oils in nuts and seeds go rancid with heat, light and air. A stale nut tastes bitter and slightly like paint.

  • Keep them in an airtight container in a cool, dark cupboard.

  • Decant a week's worth into a small tub and leave the rest sealed.

  • If you buy bulk nuts, store what you will not use within a month or two in the fridge or freezer.

  • Keep dried fruit in a separate container if your kitchen is warm, as its moisture can soften the nuts.

Common Mistakes

  • Too much dried fruit. It turns a snack box into a bag of sweets.

  • Roasting and salting everything. A light dry toast is fine. Heavy salt is not.

  • Fine seeds in the mix. Chia and flax sink to the bottom. Keep them separate.

  • The same mix for months. Swap one nut or seed every few weeks so you do not get bored.

  • Not labelling shared boxes. Tree nut allergies are common. Label any box you take to work or share with others.

Frequently Asked Questions

What is a good ratio of nuts to seeds?

Around 60% nuts, 25% seeds and 15% dried fruit is a reliable starting point. Adjust it to taste, with more seeds for fibre or less dried fruit to cut sugar.

What are the best nuts to eat every day?

Almonds, walnuts and cashew nuts are the most popular everyday choices, with a couple of brazil nuts for selenium. Variety matters more than any single nut, so mix several.

Which are the healthiest nuts?

There is no single healthiest nut. Each offers something different: walnuts contain omega-3, brazil nuts are high in selenium, and almonds provide vitamin E and fibre. Eating a mix of unsalted nuts covers the most ground.

How many nuts and seeds should I eat a day?

About 30g, or a small handful, is a standard portion.

Should I buy raw or roasted nuts?

Natural, unsalted nuts are the better choice for an everyday snack box. Roasted nuts are fine, but check the label for added salt and oil.

How long do mixed nuts and seeds last?

Stored airtight in a cool, dark place, they stay fresh for several weeks after opening. Check the best before date on each pack, and keep larger quantities in the fridge or freezer.

Can I use a nuts and seeds mix for baking?

Yes. Chopped nuts and seeds work in banana bread, flapjacks, granola, salads and yoghurt bowls.


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