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Despite a high volume of orders in recent days, our amazing shipping team continues to ship orders out quickly. Today we're shipping orders for in-stock items placed March 29. Our customer service department is open, but due to higher call and email volume, our response time has slowed. If you’re unable to reach us by phone, please leave a message and we will get back to you as soon as possible. Our Hampton store is temporarily closed. We greatly appreciate your business as we do our very best to serve you!

Cuisinart Combo Steam & Convection Oven

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SKU: JZ527, Part Number: CSO-300, Shop more Cuisinart items


  • Convection baking
  • Steam cooking
  • Dough proofing
  • Toaster
  • Broiler
  • Backlit LCD displays settings
  • Oven light stays lit for 2 minutes
  • .6 cubic foot baking area
  • Can be used as an air fryer


  • Cuisinart CSO-300 oven
  • 47-oz. water reservoir
  • Baking sheet
  • 4-position rack
  • Broiling/steaming rack
  • Drip tray
  • Crumb tray
  • Booklet with 32 recipes



Cuisinart Combo Steam & Convection Oven

Cusinart’s CSO-300 steam and convection oven prepares food healthfully and up to 40% faster than in conventional ovens, and thanks to its compact size, this oven is a great choice for meal preparation in RVs and dorm rooms! 

Baking area is .6 cubic feet. Usable oven space is 11.5 x 11 x 5 inches (WxDxH). The water reservoir for steaming holds 47 fluid ounces, which allows for 120 minutes of steady steam.

Cooking functions include Toast, Convection Oven, Bake Steam, Broil, Broil Steam, Steam, Super Steam, Bread, and Warm. The combo oven includes all the functions of a regular toaster oven, plus additional steaming functionality to make it ideal to proof bread, reheat leftovers without drying them out, prepare baby food, as well as steam bake crusty artisan bread, fish, vegetables and many other foods.

The large blue-backlit LCD screen is easy to read, and clearly displays the function, digital clock, set temperature, and selected toast shade. Indicators also let you know if top, bottom or both elements are heating, and when to add water to the reservoir. An oven light can be switched on and will stay lit for 2 minutes.

The steaming feature on this versatile oven allows your food to retain more of its moisture content than it would in a conventional oven, so your meats turn out juicy and tender. The steaming feature also acts as an oven cleaning cycle to make cleanup a breeze!

Included with the convection oven is a baking sheet, four-position rack, broiling/steaming rack, drip tray, crumb tray and booklet with 32 recipes. The baking and broiling racks can be adjusted.

Convection ovens cook food in the same was as air fryers do, by circulating hot air with a high-speed fan. If you're looking for an air fryer, the Cuisinart CSO-300 steam and convection oven might fit your needs. With the Cuisinart convection oven, you'll be able to bake, roast and broil larger batches of food than what you could prepare in typical air fryers, plus with the CSO-300 oven you'll also be able to steam foods!

  • “Just perfect. This Cuisinart combo unit cooks my food as well as warms my lunch. The steam feature warms my food without drying it out. Thanks for your product line and shipping fast.”

    – William B., TX

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Manufacturer Part Number CSO-300
Brand Cuisinart
Length 18"
Width 15.5"
Height 10.75"
Product Weight (lbs.) 24 lb.
BPA Free Yes
Volts AC 120
Watts 1800
Cord Storage Yes
UPC 086279031464
Origin Imported
Warranty Length 3 year limited warranty



Overall Rating:
1 Review
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  • Just perfect for me
    By on - Verified Buyer
    This Cuisinart combo unit allows me to cook my food as well as warm my lunch. The steam feature allows me to warm my food without drying it out. Thanks for your product line and shipping fast.
    5 out of 6 people found this review helpful.  Did you?

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