What is actually on the burgers? Front cover shows cheese & onions I think

Each burger has a slice of cheese and grilled chopped onions.

Will White Castle sliders cook in a regular toaster oven?

I’ve never tried to cook them in a toaster oven, I find that following the instructions on the box for cooking them in the microwave oven makes them come out perfectly. I kind of think that cooking them in a toaster oven would make the hamburger buns too hard, I’m just saying. Hope this helps you. They are very delicious.

How do these hold up if you microwave in the morning, wrap in foil, and eat at lunch? We've done this with hot dogs.

You should pack them in a lunchbox frozen and microwave it at lunch if you have a microwave available in where you eat lunch.

Would these cook decently in the microwave? That's all we have at work, and these seem great to bring in my lunch.

Yes. Put them in your freezer. In the morning, grab a pack and go. Place them somewhere safe. By lunchtime, they should've defrosted. You can either open one side of the package to vent and microwave for 35 seconds, or remove them from the package, put them on a napkin or paper towel an microwave for 30 seconds. When you open the microwave, put a finger on the center of a bun. If it's still cold, add 10 more seconds. There's only 3 packs per box, so I suggest buying 2 or more boxes if you want to last a week. Also, they're cheaper and fresher from grocery stores.

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White Castle, Classic Cheese Sliders, 11 Ounce

Product ID: 71669471

Details

Brand
White Castle
Flavor
Beef Cheese
Item Weight
0.85 Pounds
Number of Items
1
Package Information
box_box

🥩100% beef patty

🧀Melty American cheese slice

⏲️Ready in under 2 minutes

Description

👑 Slide into legendary flavor and convenience—your castle awaits!

EFFORTLESS HEATING - Microwave-ready in less than 2 minutes—no mess, no fuss, just craveable convenience.
PROTEIN PACKED SNACK - Fuel your day with 16g of protein per slider—perfect for busy professionals on the go.
VERSATILE ANYTIME BITE - Ideal for snacking, lunch, or late-night cravings—your go-to comfort food upgrade.
CLASSIC MEETS CONVENIENCE - Authentic slider experience at home, delivering nostalgia with every bite.
RESTAURANT QUALITY FLAVOR - Experience iconic White Castle taste with steam-grilled onions and signature soft buns.

White Castle Classic Cheese Sliders deliver the iconic restaurant-quality experience with 100% beef patties, steam-grilled onions, and melty American cheese on their signature soft buns. Ready in under 2 minutes, these protein-rich sliders are perfect for quick snacks or meals, combining nostalgic flavor with modern convenience.

Specifications

ASIN	B000RUO0FO
ASIN	B000RUO0FO
Age Range Description	All Ages
Allergen Information	Dairy, Gluten, Soy
Best Sellers Rank	#5,754 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #19 in Frozen Appetizers & Snacks
Brand Name	White Castle
Color	Burgers-patties
Container Type	box_box
Cuisine	American
Customer Reviews	4.5 4.5 out of 5 stars (4,805)
Diet Type	Keto
Flavor	Beef,Cheese
Item Weight	0.85 Pounds
Item model number	claveria
Manufacturer	White Castle Management Co.
Manufacturer	White Castle Management Co.
Model Number	claveria
Number of Items	1
Number of Pieces	6
Product Dimensions	1.3 x 5.9 x 9 inches; 13.6 ounces
Set Name	Pack of 6
Size	11 Ounce (Pack of 1)
Specialty	Frozen
UPC	082988010066
UPC	082988010066
Unit Count	11.0 Ounce
Units	11.0 Ounce

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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