Calories in White Castle Original The Original Sliders With Grilled Onions On Our Signature Bun

Low Sugar
Instrument — Food Profile
100g
Calories

322.00

kcal
Protein

14.40

g
Carbs

32.20

g
Fat

14.40

g
Fiber

1.10

g
Sugar

3.33

g

Curious about the nutritional profile of white castle original the original sliders with grilled onions on our signature bun? Whether you are tracking your macros or just want to know how many calories it contain, you are in the right place. A standard 100g serving of white castle original the original sliders with grilled onions on our signature bun provides 322.00 calories, 14.40g of protein, and 32.20g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 322.00 kcal 14.40g 32.20g 14.40g
1 oz (28g) 90 kcal 4.0g 9.0g 4.0g
2 sandwiches (90g) 290 kcal 13.0g 29.0g 13.0g

Vitamins & Minerals

Nutrient Amount
Calcium 28.00 mg
Iron 3.33 mg
Potassium 228.00 mg
Sodium 422.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2677967)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

How many calories is in white castle original the original sliders with grilled onions on our signature bun?

100 grams of white castle original the original sliders with grilled onions on our signature bun contains exactly 322.00 calories.

Is white castle original the original sliders with grilled onions on our signature bun a good source of protein?

It contains 14.40g of protein per 100g, which is moderate.

How many calories is in 1 2 sandwiches of white castle original the original sliders with grilled onions on our signature bun?

A single 2 sandwiches (90g) of white castle original the original sliders with grilled onions on our signature bun provides 290 calories.

Is white castle original the original sliders with grilled onions on our signature bun keto-friendly?

No, white castle original the original sliders with grilled onions on our signature bun has 32.20g of carbs per 100g, which may disrupt ketosis.