Cosmo's Bistro

1031 E Rte 66, Glendora
(626) 857-7667

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Chicken Piccata with Angel Hair Pasta

Dry Aged New York Steak

Pasta with Meat Sauce

Shrimp and Scallops

French Onion Soup

Chicken Parmesan

Chicken Marsala

Caprese Salad

Bruschetta

Tiramisu

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Recent Reviews

Cosmo’s Bistro is our new go to for Italian Cuisine! The atmosphere is comfortable. The food is delicious! Not to mention they have good size servings! The servers are top notch, especially Hugo!

September 2025

this place is amazing!! 5 STARS!!
the staff is always kind and professional.
the food is high quality and delicious.
the table bread is out of this world.

when the owner overheard that I recently moved here he took the time to introduce himself to me and personally bag up my order all while going above and beyond to get whatever extras we might need. he even gave me a small list of outdoor activities local to the area, really great...

September 2025

Current menu from April 2025. I really wanted to love this place but I just didn’t. The portions are a good size which is great, however, the quality of the food was lacking. We were the o my customers at 4:30 on a weekday. Orders an appetizer and 2 main dishes. My pesto noodles arrived w/o artichokes, they did take it back to add the missing ingredient but the plate felt like it was microwaved hot when I got it back. The lasagna was way too salty, definitely not a portion...

April 2025

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Restaurants in Glendora, CA

Cosmo's Bistro

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Cosmo's Bistro