Portillo's

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2810 Route 34
Oswego, IL 60543

Phone: (630) 554-1000

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Neighborhood: Oswego

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Popular Menu Items

• Cheese Fries $4.10+
• One of our most craveable menu items! Our drool-worthy, smooth cheddar cheese sauce tastes best as a dipping sauce for our salty, crinkle-cut French fries.
• Italian Beef Sandwich $10.30+
• Our famous, homemade, Italian beef is slow-roasted for four hours, thinly sliced, and served on freshly baked Turano French bread. Best served with home-cooked sweet peppers and/or hot giardiniera peppers (pictured) for an extra charge.Served regular-sized or as a Big Beef (50% bigger).
• Hot Dog $5.15+
• Chicago-style hot dog with everything, which includes mustard, relish, celery salt, freshly chopped onions, sliced red ripe tomatoes, kosher pickle and sport peppers piled onto a perfectly steamed poppy seed bun. Chicagoans call this “dragging the dog through the garden."Served regular-sized or jumbo (pictured).
• Fries $4.10+
• Portillo's famous salty, crinkle-cut French fries. Our fries taste best dipped in our drool-worthy smooth cheddar cheese sauce.
• Cheeseburger $9.00+
• Everything includes cheese, mayo, crisp lettuce, a red ripe tomato slice, sliced red onion, pickles, and ketchup on our freshly toasted old-fashioned style bun. It's a burger-lover's dream! Each juicy char-broiled burger patty weighs 1/3 pound before cooking.Served as a single or double (pictured).

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Reviews for Portillo's

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  3.8 stars - Based on 17 reviews

#5 out of 115 restaurants in Oswego

#1 of 11 American in Oswego

5 star				2 reviews	12%
4 star				10 reviews	59%
3 star				5 reviews	29%
2 star				0 reviews	0%
1 star				0 reviews	0%

Top Reviews of Portillo's

06/02/2025 - Ashley K.
The drive-thru service at Portillo's has really stepped up, now only accepting card payments which speeds things along. The menu is a bit smaller than before, but the Italian Beef and classic hot dogs still hit the spot every time. The staff, especially the young ladies and the manager, were super friendly and made the whole experience enjoyable-plus, that chocolate cake and cake shake are absolutely unforgettable.

06/17/2024 - Todd E.
I must commend Portillo's for the improved drive-thru service; now they only accept card payments, which has made a big difference. Despite the reduced menu items, the food is still delicious, especially the Italian Beef. The retro interior and friendly staff make it one of my favorite fast food chains, and I can't wait to visit again.

05/07/2024 - Wanda G.
VERY GOOD FOOD.