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Portillo's Oxalate Guide

28 menu items analyzed for oxalate content

7 Safe14 Caution7 Avoid

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

Side Caesar Salad

Likely Safe~1mg (1–2mg range)

Key Ingredients

Caesar dressing 0.9mggarlic 0.1mg

Caesar Salad

Likely Safe~1mg (1–2mg range)

Key Ingredients

Caesar dressing 0.9mggarlic 0.2mglemon juice 0.1mg

Beef & Cheddar Croissant

Likely Safe~4mg (2–6mg range)

Key Ingredients

croissant 4.0mg

Maxwell Street Polish

Likely Safe~6mg (4–10mg range)

Key Ingredients

bun 4.1mgmustard 1.2mgonions 1.0mg

Strawberry Shortcake

Likely Safe~9mg (5–13mg range)

Key Ingredients

strawberries 4.9mgvanilla cake 3.6mg

Grilled Chicken Sandwich

Likely Safe~15mg (9–23mg range)

Key Ingredients

tomato 5.6mglettuce 5.4mgsandwich bun 4.0mg

Double Cheeseburger

Likely Safe~15mg (9–23mg range)

Key Ingredients

tomato 5.6mglettuce 5.4mgbun 4.1mgonion 0.3mg

Proceed with Caution

Moderate oxalate — pair with calcium-rich foods

Garden Salad

Check Sides~17mg (10–26mg range)

Key Ingredients

mixed greens 8.0mgtomato 7.5mgred onion 1.4mgcucumber 0.5mg

Onion Rings

Check Sides~17mg (10–26mg range)

Key Ingredients

wheat flour 15.0mgonions 2.4mg

Bacon Cheeseburger

Check Sides~21mg (13–31mg range)

Key Ingredients

tomato 5.6mglettuce 5.4mgketchup 4.4mgbun 4.1mgmustard 1.2mg

Portillo's Cheeseburger

Check Sides~21mg (13–31mg range)

Key Ingredients

tomato 5.6mglettuce 5.4mgketchup 4.4mgbun 4.1mgmustard 1.2mg

Chicken Strips

Check Sides~25mg (10–50mg range)

Key Ingredients

breadcrumbs 13.0mgdipping sauce 12.0mg

Vanilla Cake

Check Sides~26mg (15–38mg range)

Key Ingredients

wheat flour 25.0mgvanilla extract 0.5mg

Lemon Cake

Check Sides~26mg (16–39mg range)

Key Ingredients

wheat flour 25.0mglemon frosting 0.9mglemon juice 0.1mglemon zest 0.1mg

Chocolate Cake Shake

Check Sides~28mg (17–42mg range)

Key Ingredients

chocolate cake 28.0mg

Chopped Salad

Check Sides~36mg (14–71mg range)

Key Ingredients

lettuce 26.8mgtomato 7.5mghouse dressing 1.0mgGorgonzola cheese 0.3mg

Cole Slaw

Check Sides~39mg (23–59mg range)

Key Ingredients

cabbage 31.5mgcarrots 7.1mgvinegar 0.4mg

French Fries

Check Sides~49mg (29–73mg range)

Key Ingredients

potato 48.6mg

Char Dog

Check Sides~50mg (30–74mg range)

Key Ingredients

poppy seed bun 49.6mg

Cheese Fries

Check Sides~54mg (32–80mg range)

Key Ingredients

potato 53.5mg

Chicken Parmesan Sandwich

Check Sides~64mg (38–95mg range)

Key Ingredients

French bread 45.0mgbreadcrumbs 9.7mgmarinara sauce 4.8mgtomatoes 3.6mggarlic 0.3mg

Best to Avoid

High oxalate — consider safer alternatives

Italian Beef & Sausage Combo

High Risk~59mg (24–118mg range)

Key Ingredients

French bread 54.0mgpeppers 4.8mg

Italian Beef Sandwich

High Risk~59mg (24–118mg range)

Key Ingredients

French bread 54.0mgsweet peppers 5.0mg

Italian Sausage Sandwich

High Risk~59mg (24–118mg range)

Key Ingredients

French bread 54.0mgsweet peppers 5.0mg

Chicago-Style Hot Dog

High Risk~71mg (42–106mg range)

Key Ingredients

poppy seed bun 49.6mgcelery salt 12.8mgtomato 5.6mgmustard 1.2mgonion 0.5mg

Chocolate Cake

High Risk~87mg (52–131mg range)

Key Ingredients

cocoa powder 57.5mgwheat flour 25.0mgchocolate frosting 4.5mg

Baby Back Ribs Half Slab

Choose Another~2252mg (1351–3377mg range)

Key Ingredients

baby back ribs 2250.0mgBBQ sauce 1.5mg

Baby Back Ribs Full Slab

Choose Another~4503mg (2702–6755mg range)

Key Ingredients

baby back ribs 4500.0mgBBQ sauce 3.0mg

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