Onion Buns
Packaged product Bread and Baked Goods Oroweat
Onion Buns contains 284 kcal per 100 g. A serving, 1 bun, 74 g (74 g) provides about 210 kcal.
Roughly 72% of its calories come from carbohydrates, with 15% from fat and 13% from protein (estimated with general energy factors).
That is close to the median for bread and baked goods on FoodFactly (263 kcal per 100 g).
100 g provides 34% of the Daily Value for Niacin (B3), 31% of the Daily Value for Riboflavin (B2) and 15% of the Daily Value for iron.
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 284 kcal | |
| Total fat L | 4.7 g | 6% |
| Saturated fat L | 1.4 g | 7% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 459 mg | 20% |
| Total carbohydrates L | 51.4 g | 19% |
| Dietary fiber L | 2.7 g | 10% |
| Total sugars L | 5.4 g | |
| Added sugars L | 5.4 g | 11% |
| Protein L | 9.5 g | 19% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 0 mg | 0% |
| Vitamin E L | 0 mg | 0% |
| Vitamin K L | 0 µg | 0% |
| Thiamin (B1) L | 0 mg | 0% |
| Riboflavin (B2) L | 0.41 mg | 31% |
| Niacin (B3) L | 5.4 mg | 34% |
| Choline L | 0 mg | 0% |
| Calcium L | 108 mg | 8% |
| Iron L | 2.7 mg | 15% |
| Magnesium L | 0 mg | 0% |
| Phosphorus L | 0 mg | 0% |
| Potassium L | 122 mg | 3% |
| Zinc L | 0 mg | 0% |
| Copper L | 0 mg | 0% |
| Manganese L | 0 mg | 0% |
| Selenium L | 0 µg | 0% |
% 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 13%
- Carbohydrates 72%
- Fat 15%
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
- Protein9.5 gabove the median for bread and baked goods (median 8.9 g)
- Fiber2.7 gbelow the median for bread and baked goods (median 3.5 g)
- Sugars5.4 gin the top quarter of bread and baked goods (median 3 g)
- Fat4.7 gabove the median for bread and baked goods (median 3.6 g)
- Saturated fat1.4 gin the top quarter of bread and baked goods (median 0.46 g)
- Sodium459 mgbelow the median for bread and baked goods (median 464 mg)
- Protein per 100 kcal3.3 gprotein density, useful for comparing foods with different calorie levels
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat L | 0.68 g |
|---|---|
| Polyunsaturated fat L | 2 g |
Sugars and starch (1)
| Starch L | 0 g |
|---|
Carotenoids (1)
| Vitamin D (D2 + D3), International Units L | 0 IU |
|---|
Other components (2)
| Caffeine L | 0 mg |
|---|---|
| Folic acid L | 81 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 | 284 kcal | 284 kcal |
| Protein | 9.5 g | 9.5 g |
| Carbohydrates | 51.4 g | 51.4 g |
| Fat | 4.1 g | 4.7 g |
| Fiber | 2.7 g | 2.7 g |
| Sugars | 5.4 g | 5.4 g |
| Sodium | 467 mg | 459 mg |
Product details
Ingredients
Unbleached enriched wheat flour [flour, malted barley flour, reduced iron, niacin, thiamin mononitrate (vitamin b1), riboflavin (vitamin b2), folic acid], water, sugar, yeast, onions, wheat gluten, soybean oil, salt, monoglycerides, calcium propionate (preservative), datem, corn flour, calcium sulfate, citric acid, spice & coloring, potassium iodate, monocalcium phosphate, soy lecithin.
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: Wheat flourSugarYeastOnionSalt
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Per 100 g. Calories in kcal. n/a: not reported by the source.
Source of the nutrition information
- USDA FoodData Central: Branded Foods, record 672274. License: CC0 1.0 (U.S. public domain). Source record dated July 11, 2019. Imported November 6, 2026.
- Open Food Facts, record 0073130026110. License: ODbL 1.0 (Open Food Facts). Source record dated February 26, 2026. Imported November 7, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.