High-protein Weet-Bix slice recipe – the easy healthy chocolate snack everyone is making

If you've spent any time on social media lately, you've probably seen the viral Weet-Bix slice recipe taking over Instagram, TikTok and Facebook. And it's easy to see why. It's quick, affordable, requires only a handful of ingredients and tastes like a decadent chocolate treat.

At Zing Wellbeing, we love recipes that are simple to make but also help you nourish your body. So we've given the classic Weet-Bix slice a protein-packed makeover by adding our delicious Zing Wellbeing Chocolate Protein Powder.

The result? A healthier chocolate slice that's higher in protein, incredibly satisfying and perfect for afternoon tea, lunchboxes or a post-workout snack.

If you're searching for the best high-protein Weet-Bix slice recipe, this is one you'll make again and again.

Why you'll love this high-protein Weet-Bix slice

• Ready in just minutes
• No baking required
• High in protein
• Naturally sweetened with honey
• Great for meal prep
• Kid-friendly
• Perfect for lunchboxes
• Freezer friendly
• Made with simple pantry ingredients

High-protein chocolate Weet-Bix slice recipe

Makes: 12 slices

Ingredients

• 6 Weet-Bix, crushed
• 60g Zing Wellbeing Chocolate Protein Powder
• ⅓ cup honey
• ½ cup natural peanut butter
• ⅓ cup dark chocolate chips
• Pinch of flaky sea salt

Method

1. Line a loaf tin or small slice tin with baking paper.
2. Crush the Weet-Bix into fine crumbs.
3. Add the chocolate protein powder and mix well.
4. Stir through the honey and peanut butter until the mixture comes together.
5. Press firmly into the prepared tin.
6. Melt the dark chocolate and spread evenly over the top.
7. Sprinkle with flaky sea salt.
8. Freeze for around one hour until firm.
9. Slice into 12 pieces and enjoy.

Store in the fridge for up to one week or freeze for up to three months.

Nutrition (per slice)

Approximate values:

• Calories: 195
• Protein: 10g
• Carbohydrates: 20g
• Fibre: 3g
• Fat: 9g

Nutritional values will vary depending on the protein powder and peanut butter used.

Why add protein powder to Weet-Bix slice?

Adding protein powder transforms a simple sweet snack into something much more satisfying.

Many traditional slices are high in carbohydrates and sugar but relatively low in protein, meaning they can leave you hungry again not long after eating.

By adding a quality protein powder, you're creating a snack that helps keep you fuller for longer while supporting muscle health, healthy ageing and everyday energy.

At Zing Wellbeing, our Chocolate Protein Powder is made with organic pea protein and is naturally dairy-free and soy-free, making it suitable for many people with food intolerances.

Why protein is so important

Protein isn't just for bodybuilders.

In fact, protein is one of the most important nutrients for women of every age.

Whether you're trying to lose weight, maintain muscle, support healthy ageing or simply avoid reaching for sugary snacks every afternoon, getting enough protein each day can make a huge difference.

Protein helps keep you fuller for longer

Protein is the most satisfying macronutrient. Meals and snacks that contain protein help slow digestion and promote feelings of fullness, making it easier to avoid unnecessary snacking throughout the day.

Protein supports healthy muscles

From your 30s onwards, we naturally begin to lose muscle mass each year. This process speeds up during menopause.

Eating enough protein, alongside regular strength training, helps maintain lean muscle, which is important for metabolism, strength, balance and independence as we age.

Protein supports healthy weight loss

One of the biggest mistakes people make when trying to lose weight is not eating enough protein.

Adequate protein helps preserve muscle while you're losing body fat. Since muscle burns more energy than fat, maintaining muscle can also help support a healthy metabolism.

Protein helps recovery after exercise

Whether you've just finished a gym workout, gone for a walk or completed a strength session, protein provides the building blocks your body needs to repair and rebuild muscle tissue.

Protein supports healthy ageing

Research consistently shows that maintaining muscle strength is associated with better mobility, reduced falls risk and improved quality of life as we get older.

For women over 40, prioritising protein becomes even more important.

Is Weet-Bix healthy?

Yes. Weet-Bix can absolutely be part of a healthy diet.

It's made primarily from wholegrain wheat and provides fibre, complex carbohydrates and several vitamins and minerals.

Pairing Weet-Bix with protein and healthy fats, like in this recipe, creates a much more balanced snack than eating carbohydrates on their own.

Can you freeze Weet-Bix slice?

Absolutely.

This high-protein Weet-Bix slice freezes beautifully.

Simply place slices in an airtight container with baking paper between each layer and freeze for up to three months. Remove from the freezer for 10 to 15 minutes before eating.

Can kids eat this recipe?

Yes.

If you're making it for younger children, you can simply reduce the dark chocolate on top if preferred. It's also perfect for school lunchboxes (where nut-free policies allow) and after-school snacks.

Easy ways to customise this recipe

Once you've mastered the basic version, try:

• Salted caramel protein instead of chocolate
• White chocolate topping
• Crushed roasted peanuts
• Chia seeds
• Hemp seeds
• Coconut flakes
• Freeze-dried raspberries
• Almond butter instead of peanut butter

More healthy Weet-Bix recipes you'll love

If you enjoyed this recipe, be sure to try:

• Original Weet-Bix Slice
• Salted Caramel Weet-Bix Slice
• High-Protein Overnight Weet-Bix
• Chocolate Overnight Weet-Bix Cheesecake
• High-Protein Weet-Bix Muffins

And you can get over 2,000 recipes and meal plans in the Zing Wellbeing app

Frequently asked questions

Can I make this without protein powder?

Yes, however the protein content will be significantly lower and the slice won't be as filling.

What protein powder works best?

Chocolate protein powder gives the richest flavour, but vanilla and salted caramel also work beautifully.

Is this recipe good for meal prep?

Definitely. Make one batch on Sunday and enjoy healthy snacks all week.

How much protein should women eat?

Protein needs vary depending on age, activity levels and health goals, but many experts recommend aiming for around 1.2 to 1.6 grams of protein per kilogram of body weight for active adults and women wanting to maintain muscle as they age.

If you're looking for an easy healthy snack that's simple to make, delicious and packed with protein, this High-Protein Weet-Bix Slice is hard to beat.

It's perfect for busy families, lunchboxes, post-workout snacks or those afternoon moments when you want something sweet without reaching for highly processed treats.

By adding quality protein to a classic Australian favourite, you're creating a snack that doesn't just taste good - it also helps support fullness, healthy muscles and long-term wellbeing.

Once you've tried it, don't be surprised if it becomes a permanent staple in your fridge.

And you can access over 2,000 recipes in the Zing Wellbeing app