White Castle Oxalate Guide

33 menu items analyzed for oxalate content

23 Safe10 Caution

These are estimates based on typical preparations and standard recipes. Actual oxalate values may vary based on specific preparations, seasonal ingredients, and regional menu differences. Always check with your server about specific ingredients.

Likely Safe Options

Low oxalate — generally kidney-friendly choices

Vanilla Shake

Likely Safe~0mg (0–0mg range)

Key Ingredients

Strawberry Shake

Likely Safe~0mg (0–0mg range)

Key Ingredients

Chocolate Shake

Likely Safe~0mg (0–0mg range)

Key Ingredients

Breakfast Slider with Bacon Egg & Cheese

Likely Safe~2mg (1–4mg range)

Key Ingredients

bun 2.3mg

Breakfast Slider with Sausage Egg & Cheese

Likely Safe~2mg (1–4mg range)

Key Ingredients

bun 2.3mg

Breakfast Slider with Egg & Cheese

Likely Safe~2mg (1–4mg range)

Key Ingredients

bun 2.3mg

Impossible Slider

Likely Safe~3mg (2–4mg range)

Key Ingredients

bun 2.3mgonions 0.3mg

Cheesecake on a Stick

Likely Safe~3mg (2–5mg range)

Key Ingredients

chocolate 3.0mg

Cheese Slider

Likely Safe~3mg (2–5mg range)

Key Ingredients

bun 2.8mgonions 0.3mg

Original Slider

Likely Safe~3mg (2–5mg range)

Key Ingredients

bun 2.8mgonions 0.3mg

Double Cheese Slider

Likely Safe~3mg (2–5mg range)

Key Ingredients

bun 2.8mgonions 0.3mg

1921 Slider

Likely Safe~3mg (2–5mg range)

Key Ingredients

bun 2.8mgonions 0.3mg

Bacon Cheese Slider

Likely Safe~3mg (2–5mg range)

Key Ingredients

bun 2.8mgonions 0.3mg

Belgian Waffle Slider with Sausage

Likely Safe~7mg (4–11mg range)

Key Ingredients

Belgian waffle 7.2mg

Belgian Waffle Slider with Egg & Cheese

Likely Safe~7mg (4–11mg range)

Key Ingredients

Belgian waffle 7.2mg

Crispy Chicken Slider

Likely Safe~9mg (6–14mg range)

Key Ingredients

breading 6.5mgbun 2.8mg

Jalapeno Cheese Slider

Likely Safe~12mg (7–18mg range)

Key Ingredients

jalapeno cheese 8.6mgbun 2.8mgonions 0.3mg

Chicken Rings 6 Piece

Likely Safe~13mg (8–19mg range)

Key Ingredients

breading 13.0mg

Fish Slider

Likely Safe~13mg (8–20mg range)

Key Ingredients

breading 6.5mgtartar sauce 4.0mgbun 2.8mg

Chicken Breast Slider

Likely Safe~13mg (8–20mg range)

Key Ingredients

breading 6.5mglettuce 4.0mgbun 2.8mg

Clam Strips

Likely Safe~15mg (9–23mg range)

Key Ingredients

wheat flour 15.0mg

Chicken Rings 9 Piece

Likely Safe~15mg (9–23mg range)

Key Ingredients

wheat flour 15.0mg

Mozzarella Sticks

Likely Safe~16mg (9–23mg range)

Key Ingredients

wheat flour 12.5mgtomatoes 2.7mggarlic 0.3mgbasil 0.1mg

Proceed with Caution

Moderate oxalate — pair with calcium-rich foods

Onion Rings

Check Sides~17mg (10–26mg range)

Key Ingredients

wheat flour 15.0mgonion 2.0mg

Mac & Cheese Nibblers

Check Sides~18mg (11–27mg range)

Key Ingredients

wheat flour 10.0mgpasta 8.0mg

Chocolate Chunk Brownie

Check Sides~25mg (15–38mg range)

Key Ingredients

wheat flour 17.5mgchocolate 7.5mg

Fudge Dipped Brownie on a Stick

Check Sides~27mg (11–53mg range)

Key Ingredients

wheat flour 14.0mgfudge coating 7.5mgchocolate 5.0mg

Hash Brown Nibblers

Check Sides~27mg (16–40mg range)

Key Ingredients

potato 26.7mg

French Fries

Check Sides~27mg (16–40mg range)

Key Ingredients

potato 26.7mg

Sack of 10 Original Sliders

Check Sides~31mg (19–47mg range)

Key Ingredients

bun 27.6mgonions 3.4mg

Loaded Fries

Check Sides~44mg (26–66mg range)

Key Ingredients

potato 36.5mgonion powder 7.3mggarlic 0.1mg

Bacon Cheese Fries

Check Sides~50mg (30–74mg range)

Key Ingredients

potato 26.7mgcheese sauce 22.8mg

Cheese Fries

Check Sides~50mg (30–74mg range)

Key Ingredients

potato 26.7mgcheese sauce 22.8mg

Track Your Meals at White Castle

Log what you eat, track your daily oxalate intake, and get personalized guidance for kidney stone prevention.

Get Started Free

Visiting a different restaurant?

Snap a photo of any menu and get instant oxalate analysis for every dish.

Try It Free

Lifestyle

How to Eat Low-Oxalate at Any Restaurant

A practical guide to navigating restaurant menus when you're following a low-oxalate diet for kidney stone prevention.

8 min

Food Guides

Bob Evans Low-Oxalate Guide: What to Order (and What to Skip)

A kidney stone former's complete guide to eating at Bob Evans. Country comfort food that's surprisingly safe — when you know the rules.

6 min

Looking for other restaurants?

Browse all restaurant guides

White Castle Oxalate Guide

Likely Safe Options

Proceed with Caution

Track Your Meals at White Castle

Related Articles