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Using Cocoa in Place of Flour?

When turning a non-chocolate (blonde) baked good into a cocoa/chocolate one (ex- quick bread, scones) does one substitute cocoa for flour or just add cocoa to the product? if the latter,are there guidelines for adding liquid, fat, etc. to compensate for the greater quantity of dry ingredients? thx so much.

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Monita_photo

Monita is a recipe tester for Food52 and a trusted source on General Cooking.

added about 1 year ago
Voted the Best Answer!

Here's an answer I thought was very instructive from The Art and Soul of Baking (http://www.knivescookslove...)
"When modifying a recipe to add cocoa powder, start by removing a couple of tablespoons of flour and replacing it with cocoa powder. This may not seem like much, but cocoa is intense chocolate flavor. You can always add another tablespoon or two if you like, but keep in mind that you want the chocolate flavor to balance the sugar in the recipe, and the more cocoa you add, the more sugar and moisture you’ll need as well. Cocoa powder is like a sponge, sucking up moisture, and if you don’t adjust for its presence, you’ll end up with a dry pastry. If adding more than a couple of tablespoons, you’ll want to add a couple additional tablespoons of liquid, as well. You’ll also need to keep in mind the type of cocoa powder you are using, and match it to the chemical leavener (if any) in your recipe. If you are adding cocoa powder to a cake, muffin or scone batter, be sure to follow the guidelines above for matching the type of cocoa to the leavener you have in your recipe. If there is no chemical leavener in the recipe, such as a shortbread cookie you can use whatever cocoa you like."

Gator_cake

hardlikearmour is a trusted home cook.

added about 1 year ago

When Rose Levy Beranbaum makes her Chocolate Butter Cake she uses a similar formula as for her Yellow Butter Cake. One of the main differences is the replacement of some of the cake flour with Dutch-processed cocoa powder measured by weight. The recipe for the yellow butter cake calls for 10.5 oz cake flour, whereas the chocolate version calls for 8.25 oz cake flour and 2.25 oz cocoa. The other main change is to use water in place of milk as the milk proteins affect the flavor of the chocolate. To get the most chocolate flavor she boils the water and mixes it with the cocoa, then lets it cool before proceeding. Hope that helps.

Gator_cake

hardlikearmour is a trusted home cook.

added about 1 year ago

PS. it's a baking powder leavened cake & the recipe makes 2 9-inch rounds

Gator_cake

hardlikearmour is a trusted home cook.

added about 1 year ago

PPS. I forgot to mention she also increases the butter by 2 oz in the chocolate butter cake to compensate for the cocoa producing a "stronger and drier structure".

Dscn2212

Cynthia is a trusted source on Bread/Baking.

added about 1 year ago

If replacing a quantity of flour with cocoa powder, which is acidic, also add baking soda in a ratio of 1/2 teaspoon for every 8 ounces of acidic ingredient. A couple of tablespoons of cocoa powder weighs (rounding up) about 1/2 ounce. So add a generous pinch of baking soda to the dry ingredients before you sift them. You are going to sift, right?

Dscn2212

Cynthia is a trusted source on Bread/Baking.

added about 1 year ago

The reason Rose L-B suggests that you hydrate the chocolate cake with water as opposed to milk is that the latter contains lactic acid; added to chocolate, which is also acidic, you would need to adjust for excess acid. I refer to my above answer, which is predicated on using milk rather than water. Add some baking soda, use milk as your liquid, and you're golden.

Gator_cake

hardlikearmour is a trusted home cook.

added about 1 year ago

Actually what she says about it is "Water replaces the milk because, in a chocolate layer cake, milk protein brings out the bitterness in chocolate and ties up flavor -- whereas water allows for quick release of full chocolate flavor." She prefers to used Dutch-processed cocoa to avoid using baking soda which she thinks is associated with a slightly bitter edge. She does have a chocolate cake that uses sour cream, which works because of the extra butterfat which is a "superb releaser of other flavors".

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