Black & Decker 9L Dual Basket Air Fryer Internal Dimensions: The Ultimate Direct-Bake Guide

If you've been searching online for the true internal dimensions of the Black & Decker BXAF17094GB 9L Dual Basket Air Fryer, you probably noticed that manufacturers only list the external dimensions or the total 9L capacity. When you want to bake straight in the basket without messing around with round cake tins or extra hardware, exact measurements matter.

We measured the drawers directly to give you the exact specs for sheet-pan style air fryer baking.

The Exact Internal Basket Dimensions

Each of the two 4.5L drawers features a usable flat cooking floor once you remove the bottom trivet/crisper plate:

  • Internal Base Measurements: 16.5 cm × 23 cm

  • Shape: Rectangular with rounded corners

  • Configuration: Dual independent 4.5L drawers

Why Direct-Bake in the Basket?

Skipping traditional cake tins and baking straight into the air fryer basket changes the game. By removing the trivet, you unlock a full 16.5 cm by 23 cm rectangular surface area at the base of each drawer.

  • No Tin Restrictions: You aren't fighting tapered round edges or trying to squeeze rigid 18cm tins into a tight space.

  • The Well Edge: There is a slight recessed well around the bottom perimeter, but the batter levels out evenly across the main floor for a thick, sliceable sponge slab.

  • Easy Release: A simple grease with butter (or a light lining of parchment paper if preferred) lets you pour your mixed batter straight onto the metal.

How to Mix Your Air Fryer Sponge Batter

For the best results when prepping sponge mixes for direct-basket baking:

  1. Dry Mix First: Pour your dry sponge mix packet into your processor bowl first to let the powder aerate properly.

  2. The Dough Blade Advantage: Attach a plastic dough blade to pulse your ingredients gently without beating out the aeration or overworking the batter.

  3. Drizzle Liquids: Slowly drizzle your milk, water, and eggs into the spinning dry mix to prevent powder from getting trapped under the blade or dusting the walls.

  4. Direct Pour: Pour the batter directly into your greased 16.5 cm x 23 cm air fryer basket and bake.

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