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Irregular, thin shards of glossy golden-amber sugar candy are studded with chunky walnut pieces, their pale beige interiors and ridged brown skins visible through the brittle.

Walnut brittle Calories

Sugary walnut brittle; energy-dense, nutty, crunchy sweet.

CALORIES · 100 G

540kcal

GI

58medium

POTASSIUM · 100 G

290mg

FIBER · 100 G

3.5g

Quick answer

1 piece (medium) of Walnut brittle (25 g) has 135 calories. That works out to 540 calories per 100 g. It contains 12.5 g of carbs, 2.3 g of protein, 8.8 g of fat and 0.9 g of fiber. Its 0.2 mg of Copper covers 18% of the Daily Value. Its glycemic index is 58 (medium), so it raises blood sugar at a moderate pace.

Walnut brittle Nutrition Facts

Selected: 1 piece (medium) · 25 g

135

KCAL / 25G

Carbs

12.5g

· 5% DV

Protein

2.3g

· 5% DV

Fat

8.8g

· 11% DV

Fiber

0.9g

· 3% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 36% · Protein 7% · Fat 57%

Walnut brittle nutrition facts table · 1 piece (medium) (25 g)

NutrientAmount% DV
Calories135 kcal
Total fat8.8 g11%
Saturated fat0.88 g4%
Trans fat0 g
Sodium11 mg0%
Total carbohydrate12.5 g5%
Fiber0.9 g3%
Protein2.3 g5%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Medium Walnut brittle?

ServingAmountCalories
1 piece (medium)25 g135 kcal
1 piece (small)12 g65 kcal
1 ounce (whole)28 g151 kcal
1 serving (small)30 g162 kcal
1 piece (large)40 g216 kcal
2 piece (double)50 g270 kcal
½ cup (chopped)55 g297 kcal
1 serving (large)60 g324 kcal
100 g100 g540 kcal

Calculated from 540 calories per 100 g.

Frequently Asked Questions About Walnut brittle

What is walnut brittle made of?

Walnut brittle is made by combining walnuts with cooked sugar or caramel, then cooling the mixture until it sets into a crisp sheet. Recipes may add butter, salt, or flavorings, but walnuts and hardened sugar are its defining ingredients.

How do you make walnut brittle at home?

To make walnut brittle, melt sugar in a saucepan until it turns amber, stir in chopped walnuts, and spread the mixture thinly on baking parchment. Let it cool completely before breaking it into pieces, and avoid touching the hot caramel, which can cause severe burns.

Why did my walnut brittle turn grainy?

Walnut brittle turns grainy when melted sugar recrystallizes, often because the mixture was stirred too early or sugar crystals on the pan’s sides fell into it. Melt the sugar without stirring and brush down the sides with a damp pastry brush before adding the walnuts.

How do you keep walnut brittle from getting sticky?

Keep walnut brittle dry: let it cool fully, then store it in an airtight container at room temperature away from steam and humidity. Refrigeration can make it sticky when condensation forms, so a cool, dry cupboard is usually a better choice.

How long does walnut brittle last?

Walnut brittle can stay crisp for several weeks when kept in an airtight container in a cool, dry place. Humidity shortens its crispness, so discard pieces that develop an off smell, unusual appearance, or signs of spoilage.

Can you freeze walnut brittle?

Yes, walnut brittle can be frozen in a tightly sealed, freezer-safe container, though moisture during thawing may soften its crisp texture. Let the sealed container come to room temperature before opening it; for a short storage period, an airtight cupboard is often simpler.

Is walnut brittle the same as praline?

No, walnut brittle and praline are related but not always the same. Brittle is usually a thin, hard sheet of caramelized sugar with nuts, while praline can refer to a softer confection, a nut-and-sugar paste, or a regional candy.

Can you make walnut brittle without a candy thermometer?

Yes, you can make walnut brittle without a candy thermometer by watching the sugar syrup change to a clear amber color. Work carefully and remove it from the heat before it darkens too much, since burnt caramel tastes bitter and continues cooking briefly in the hot pan.

What can you serve with walnut brittle?

Walnut brittle pairs well with coffee, plain yogurt, or vanilla ice cream because its sweet crunch contrasts with bitter or creamy flavors. Crumble it just before serving so moisture from desserts does not soften it.

Can people with diabetes eat walnut brittle?

People with diabetes may need to limit walnut brittle because its caramel coating contains concentrated sugar. The suitable portion depends on an individual’s blood-glucose plan and medication, so ask a doctor or dietitian if you need personal guidance.

Walnut brittle Vitamins & Minerals

Vitamins

B1

0.06mg · 5% DV

Biotin

1.5µg · 5% DV

B6

0.08mg · 5% DV

Folate

13.75µg · 3% DV

Minerals

Copper

0.16mg · 18% DV

Manganese

0.4mg · 17% DV

Phosphorus

53mg · 8% DV

Magnesium

28mg · 7% DV

Potassium ⭐

73mg · 2% DV

Sodium

11mg · 0% DV

Walnut brittle Glycemic Index

GLYCEMIC INDEX

58
Medium
0 Low5570100

GLYCEMIC LOAD

7.3
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Walnut brittle

To burn the 135 calories in 1 piece (medium) (25 g):

🚶

33min

Walking (5 km/h)

🏃

14min

Running (8 km/h)

🚴

18min

Cycling

🏊

16min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Walnut brittle?

Walnut brittle is a crunchy confection made by coating pieces of walnut in cooked, caramelised sugar. It can be made at home or bought from sweet shops, and comes in anything from thin shards to thicker, bite-sized pieces.

The crisp, sweet shell contrasts with the walnuts’ rich, slightly bitter flavour. It is commonly enjoyed as a small treat with coffee or tea, or broken over ice cream and other desserts. Walnut brittle is energy-dense, with much of its energy coming from sugar and fat, alongside some protein and fibre from the nuts. Its sweetness and crunch make a little go a long way; serve a small piece with unsweetened tea or coffee if you want a less sugary pairing.

How Nutritious Is Walnut brittle?

Nutrient density

Low

28/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

31/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Walnut brittle Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Walnut brittle Contain Allergens?

Contains these allergens:

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts yes
Fish free
Soy free
Sesame free

Which Diets Is Walnut brittle Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Walnut brittle Fat Profile

SATURATED

0.88g

MONOUNSATURATED

1.63g

POLYUNSATURATED

5.2g

⚖️

Omega 6:3 ratio 6.9:1

Above the ideal 4:1 (6.9:1).

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Nutrition data compiled from USDA FoodData Central and scientific sources.