How many calories are in Sweet Onion Buns?

100 g of Sweet Onion Buns has 256 kcal. Serving, 1 serving, 78 g (78 g): about 200 kcal.

How much protein is in Sweet Onion Buns?

Sweet Onion Buns contains 7.7 g of protein per 100 g (15% of the 50 g Daily Value), or 6 g in serving, 1 serving, 78 g (78 g). About 12% of its calories come from protein. Compared with other sweets and desserts, that is above the median (median 5.9 g).

How many carbs are in Sweet Onion Buns?

Sweet Onion Buns has 50 g of total carbohydrates per 100 g, including 2.6 g of fiber and 6.4 g of sugars.

How much fat is in Sweet Onion Buns?

Sweet Onion Buns contains 2.6 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).

What vitamins and minerals does Sweet Onion Buns contain?

Per 100 g, the most notable amounts relative to the Daily Value are Folate (B9) (43% DV), Niacin (B3) (22% DV), Riboflavin (B2) (20% DV) and iron (16% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Sweet Onion Buns?

100 g contains 513 mg of sodium, 22% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated March 6, 2025. FoodFactly last checked it on November 8, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Sweet Onion Buns

Packaged product Sweets and Desserts Van De Kamp's

Sweet Onion Buns contains 256 kcal per 100 g. A serving, 1 serving, 78 g (78 g) provides about 200 kcal.

Roughly 79% of its calories come from carbohydrates, with 12% from protein and 9% from fat (estimated with general energy factors).

That is less energy than the typical item in sweets and desserts on FoodFactly, where the median is 367 kcal per 100 g across 112,400 products.

100 g provides 43% of the Daily Value for Folate (B9), 22% of the Daily Value for Niacin (B3) and 20% of the Daily Value for Riboflavin (B2).

The values are label data submitted by the manufacturer to USDA FoodData Central.

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

256kcal per 100 g

7.7 gprotein

50 gcarbohydrates

2.6 gfat

200kcal in serving, 1 serving, 78 g (78 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	256 kcal
Total fat L	2.6 g	3%
Saturated fat L	0 g	0%
Trans fat L	0 g
Cholesterol L	0 mg	0%
Sodium L	513 mg	22%
Total carbohydrates L	50 g	18%
Dietary fiber L	2.6 g	9%
Total sugars L	6.4 g
Added sugars L	6.4 g	13%
Protein L	7.7 g	15%
Thiamin (B1) L	0 mg	0%
Riboflavin (B2) L	0.26 mg	20%
Niacin (B3) L	3.6 mg	22%
Folate (B9) L	173 µg	43%
Calcium L	115 mg	9%
Iron L	2.8 mg	16%
Potassium L	115 mg	2%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 12%
Carbohydrates 79%
Fat 9%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Nutritional insights

Protein7.7 gabove the median for sweets and desserts (median 5.9 g)
Fiber2.6 gabove the median for sweets and desserts (median 2 g)
Sugars6.4 gbelow the median for sweets and desserts (median 20.8 g)
Fat2.6 gin the lowest quarter of sweets and desserts (median 13 g)
Saturated fat0 gin the lowest quarter of sweets and desserts (median 5.4 g)
Sodium513 mgin the top quarter of sweets and desserts (median 176 mg)
Protein per 100 kcal3 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Carotenoids (1)

Vitamin D (D2 + D3), International Units L	0 IU

Other components (1)

Folic acid L	90 µg

Values by source

More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.

Per 100 g	Open Food Facts	USDA Branded
Calories	329 kcal	256 kcal
Protein	9.9 g	7.7 g
Carbohydrates	64.1 g	50 g
Fat	3.3 g	2.6 g
Fiber	3.3 g	2.6 g
Sugars	8.2 g	6.4 g
Sodium	657 mg	513 mg

Product details

Brand: Van De Kamp's
Barcode: 0011110114914
Label serving: 1 serving (78 g)
Category: Sweets and Desserts
NOVA group: 4 processing level (1 to 4), as classified by Open Food Facts

Ingredients

enriched flour, water, sugar, yeast, dehydrated onion, soybean oil, salt, wheat gluten, sodium stearoyl lactylate

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: Sugar Yeast Onion Salt

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

Open Food Facts, record 0011110114914. License: ODbL 1.0 (Open Food Facts). Source record dated March 6, 2025. Imported November 8, 2026.
USDA FoodData Central: Branded Foods, record 2453342. License: CC0 1.0 (U.S. public domain). Source record dated November 8, 2022. Imported November 6, 2026.

Last updated: November 8, 2026. Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.