Bowl - Large
Fusion Bowl. Choose any combination base, protein, toppings & sauces.
American / Mexican / Korean Fusion
The Fusion Grill On Guasti
Where bold flavors collide - customizable bowls, tacos, burgers and loaded fries that redefine American fusion in Ontario, CA.
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Flavors Without Boundaries
At The Fusion Grill On Guasti, we believe food should be an adventure. Nestled in the heart of Ontario, California, we serve creative American fusion cuisine that brings together bold, eclectic flavors from around the world - all on one plate.
Our kitchen crafts customizable Fusion Bowls where you pick your base, protein, toppings, and sauces for a meal that's uniquely yours. We press our masa tortillas fresh for handcrafted tacos loaded with marinated tri-tip beef, mango adobo chicken, or paprika aioli shrimp. And our legendary Loaded Fusion Fries? They're piled high with your choice of premium proteins, roasted corn, pickled red onions, and Cheddar/Jack cheese.
Whether you're grabbing breakfast before work, a power lunch, or a satisfying dinner, every dish is made with fresh ingredients and served with energy. We're not just a restaurant - we're a flavor experience.
4.5
Star Rating
120+
Reviews
6
Signature Items
MENU
What's Hitting Right Now
LOVE
The People Have Spoken
4.5
"If you get the bowl from here, get it with shrimp! It's sooo good! I have never been able to find a place where the shrimp compares to Fusion's. Theirs just hits different. Their green sauce is also amazing on top of everything. 100/10 highly recommended!"
S
Serenity A
"The food is ABSOLUTLY amazing. I am a big sauce person, and their sauces really top everything off! Fresh ingredients and flavorful. I catch myself craving it so often LOL. The breakfast burritos are bomb also. Def a must try!"
M
Marina S
"This place is AMAZING! The food is full of flavor and fresh. The hand pressed tortilla is delicious, and the ice cream is light and a pleasant blend of mango. I definitely recommend that you try it!"
S
Shaunte Cole
When We're Cooking
Monday
8:00 AM - 3:00 PM
Tuesday
8:00 AM - 3:00 PM
Wednesday
8:00 AM - 3:00 PM
Thursday
8:00 AM - 3:00 PM
Friday
8:00 AM - 3:00 PM
Saturday
Closed
Sunday
Closed
Hours may vary on holidays. Please call ahead to confirm.
Got Questions?
What meals do you serve?
The Fusion Grill On Guasti serves creative American fusion cuisine perfect for lunch, dinner, and casual dining occasions. Our customizable Fusion Bowls let you mix and match bases, proteins, toppings, and sauces for a personalized meal. We also offer handcrafted tacos made with fresh pressed masa tortillas and your choice of protein. Our Loaded Fusion French Fries, topped with marinated tri-tip beef, mango adobo chicken, or paprika aioli shrimp, are a crowd favorite. Whether dining in or ordering out, our bold flavors satisfy every craving.
Do you offer delivery or takeout?
Yes, we offer both delivery and pickup. Order conveniently online or by phone.
Where are you located?
We are located at 3281 E Guasti Rd, Suite 150, Ontario, CA 91761.
What areas do you serve?
The Fusion Grill On Guasti proudly serves Ontario, Rancho Cucamonga, Fontana, Chino, Chino Hills, Upland, Montclair, Pomona, Eastvale, and Jurupa Valley, bringing bold American fusion flavors to the Inland Empire community.
Find Us
Address
3281 E Guasti Rd, Suite 150
Ontario, CA 91761
Phone
Ordering
Delivery & Pickup available