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An elongated, flat loaf with a pale golden, blistered crust and a translucent-looking, open crumb filled with large irregular air pockets, shown whole and torn open on a plate.

Crystal bread Calories

High-hydration white bread with thin crust and airy crumb

CALORIES · 100 G

270kcal

GI

75high

POTASSIUM · 100 G

115mg

FIBER · 100 G

2.3g

Quick answer

1 slice (thin) of Crystal bread (30 g) has 81 calories. That works out to 270 calories per 100 g. It contains 16.5 g of carbs, 2.6 g of protein, 0.5 g of fat and 0.7 g of fiber. Its 7.2 µg of Selenium covers 13% of the Daily Value. Its glycemic index is 75 (high), so it raises blood sugar quickly.

Crystal bread Nutrition Facts

Selected: 1 slice (thin) · 30 g

81

KCAL / 30G

Carbs

16.5g

· 6% DV

Protein

2.6g

· 5% DV

Fat

0.5g

· 1% DV

Fiber

0.7g

· 3% DV

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

Calories come from: Carbs 82% · Protein 13% · Fat 5%

Crystal bread nutrition facts table · 1 slice (thin) (30 g)

NutrientAmount% DV
Calories81 kcal
Total fat0.5 g1%
Saturated fat0.1 g1%
Trans fat0 g
Sodium156 mg7%
Total carbohydrate16.5 g6%
Fiber0.7 g3%
Protein2.6 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 Thin Slice of Crystal bread?

ServingAmountCalories
1 slice (thin)30 g81 kcal
1 slice (thin)20 g54 kcal
1 slice (medium)30 g81 kcal
1 slice (thick)45 g122 kcal
1 piece (small)55 g149 kcal
2 slice (medium)60 g162 kcal
1 serving (medium)90 g243 kcal
100 g100 g270 kcal
1 piece (medium)110 g297 kcal
1 piece (large)180 g486 kcal

Calculated from 270 calories per 100 g.

Frequently Asked Questions About Crystal bread

What is crystal bread?

Crystal bread is a Spanish bread known for its paper-thin crust and very open, airy crumb. Its name refers to the light, crisp texture created by a dough made with a high proportion of water.

Is crystal bread the same as ciabatta?

No. Crystal bread typically has a wetter dough, a thinner crisp crust, and larger, more irregular air pockets than ciabatta. Both are airy wheat breads, but their textures and traditional methods are not identical.

Why is crystal bread dough so wet?

Crystal bread dough is deliberately very wet to create its distinctive open crumb. Instead of adding lots of extra flour, handle it with wet hands and use folds during resting to build structure without making the loaf dense.

How do you eat crystal bread?

Crystal bread is often split and topped with ripe tomato and olive oil, in the Catalan style known as pa amb tomàquet. Its crisp surface and airy interior also make it a good base for cheese, cured meats, or sandwiches.

What makes the holes in crystal bread so large?

The large holes in crystal bread form as gas expands inside its highly hydrated dough during baking. Gentle handling matters: pressing or overworking the dough can push out the bubbles that give the bread its open texture.

Can you make crystal bread at home?

Yes, you can make crystal bread at home, though the sticky dough takes patience. Let it rest and strengthen it with repeated folds, then shape it gently and bake in a thoroughly preheated oven.

What flour is best for crystal bread?

Bread flour is a reliable choice for crystal bread because its stronger gluten helps hold the wet dough and its air pockets. Flour strength varies, so follow a tested recipe rather than adding flour until the dough feels dry.

How should you store crystal bread?

Crystal bread is best eaten on the day it is baked, when its thin crust is crisp. Keep leftovers in a paper bag at room temperature for short-term storage; an airtight plastic bag can soften the crust.

Can you freeze crystal bread?

Yes, crystal bread freezes well. Cool it completely, slice it, and seal the slices in a freezer-safe bag. Reheat frozen slices in an oven or toaster to bring back some of the crisp crust.

Can crystal bread be used for sandwiches?

Yes, crystal bread works well for sandwiches, especially with moist fillings such as tomato, roasted vegetables, or fresh cheese. Its open crumb absorbs flavorful juices, while cutting it horizontally makes the thin, crisp loaf easier to fill.

Crystal bread Vitamins & Minerals

Vitamins

B1

0.1mg · 8% DV

B3

1.08mg · 7% DV

Folate

25.5µg · 6% DV

B2

0.05mg · 4% DV

Minerals

Selenium

7.2µg · 13% DV

Sodium

156mg · 7% DV

Manganese

0.14mg · 6% DV

Iron

0.96mg · 5% DV

Potassium ⭐

35mg · 1% DV

Crystal bread Glycemic Index

GLYCEMIC INDEX

75
High
0 Low5570100

GLYCEMIC LOAD

11.4
Medium

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

How to Burn Off Crystal bread

To burn the 81 calories in 1 slice (thin) (30 g):

🚶

20min

Walking (5 km/h)

🏃

8min

Running (8 km/h)

🚴

11min

Cycling

🏊

9min

Swimming

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

What is Crystal bread?

Crystal bread, known in Spain as pan de cristal, is a high-hydration loaf associated with Catalonia. Its very thin, crisp crust surrounds a light crumb with large, irregular air pockets. The name refers to its delicate, almost translucent structure rather than to any added ingredient.

In Spain, it is often sliced and served with olive oil, tomatoes or cured meats, and its open texture also makes it a good base for sandwiches. Elsewhere, try it alongside soup or with a simple savoury topping. It is mainly a source of carbohydrate and is relatively low in fat; a 30 g slice provides a modest portion. Add vegetables and a protein-rich topping for a more filling meal.

How Nutritious Is Crystal bread?

Nutrient density

Low

22/ 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

Medium

37/ 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 Crystal bread 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 Crystal bread Contain Allergens?

Contains these allergens:

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

Which Diets Is Crystal bread Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Crystal bread Fat Profile

SATURATED

0.1g

MONOUNSATURATED

0.07g

POLYUNSATURATED

0.2g

⚖️

Omega 6:3 ratio 19:1

Above the ideal 4:1 (19:1).

Compare Crystal bread

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Foods Similar to Crystal bread

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Bulgur Pilaf

120 kcal

🍝

Whole wheat pasta

124 kcal

🥖

Breadstick

410 kcal

🥯

Simit

340 kcal

🥣

Granola

450 kcal

🍚

Rice Pilaf

150 kcal

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Basmati Rice Pilaf

140 kcal

🍝

Pasta (Boiled)

155 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.