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Bean in there brownies

bean brownies [1]

How fine fat is! The same ingredient that makes dessert delicious goes straight to my wannabe six-pack. I want to make my cake and eat it too, so I experiment with ways to make dessert healthier.

The oldest trick in low-fat baking is to replace half of the fat with applesauce. Besides being moist, applesauce contains sugar, which tenderizes dough. It works beautifully in quick breads and spice cakes but not so well in pound cakes and pie crusts, where butter is crucial for the flavor and flakiness. Applesauce also doesn’t fare as well in cookies. It contains too much moisture, so cookies get cakey and lose their crisp edges.

There are a couple ways to get around the applesauce conundrum. For cookies, you can omit up to half the butter because they’re so rich already. I usually leave out 1/3 or 1/4 just to be safe. Or, you can use a different fat substitute.

Other cultures have long valued puréed beans for their smooth texture. Good Israeli hummus, for example, is as rich as butter. (I’d take The Hummus Place [2]‘s signature dish over foie gras any day.)  The Chinese and Japanese add sugar to puréed beans and put it inside pastries.

As seen in black-eyed susan cake [3], puréed beans are actually a good fat substitute. If you don’t believe me, scientific experiments [4] have shown that puréed white beans can replace up to half the fat (by weight) in cookies and brownies. To take advantage of the beans’ smooth texture, I used them in a fudgy brownie recipe.

I generally prefer chewy brownies, especially Alice Medrich’s divine, low-fat ones in Chocolate and the Art of Low-Fat Desserts [5] and Cookies and Brownies [6].  While chewy brownies have great flavor, they lack that melt-in-your-mouth texture. For the richest brownies, you need lots of chocolate, butter, and just enough flour to hold it together. Don’t even think about adding baking powder or soda.

My favorite fudgy recipe [7] has a whopping 12 ounces of chocolate, three sticks of butter, three cups of sugar, six eggs and just over a cup of flour. If there was ever a poster child to use bean purée, this was it. The tinkered brownies were moist, smooth and delicate. They were so delicate, in fact, that you could probably get away with using all-purpose flour. They didn’t taste beany or like they were reduced fat. I noticed less butteriness, but only because I had eaten the regular brownies before. Anyone else won’t detect the secret ingredient.

The Richest Fudgy Brownies, Lightened

Inspired by The Farm of Beverly Hills [7] recipe, as printed in Gourmet

Makes 36 small but very intense brownies

1 1/2 sticks unsalted butter, cut into pieces
12 ounces fine-quality bittersweet chocolate (not unsweetened), chopped
3/4 cup (six ounces) white bean purée [8]
6 large eggs
1 1/4 cups cake flour (not self-rising)
1 cup plus 2 tablespoons unsweetened cocoa powder (not Dutch process)
3 cups sugar
1/2 teaspoon salt

Preheat the oven to 350° F with a rack in the middle. Grease and flour a 13- by 9- by 2-inch metal baking pan.

Melt the chocolate and butter in a large metal bowl set over a pan of barely simmering water (aka a double boiler). When smooth, take the chocolate mixture off the heat. Whisk in the white bean purée [8] and the eggs.

Sift the flour, cocoa powder, sugar and salt in a separate bowl and stir thoroughly. Combine with the chocolate mixture.

Pour batter into pan and bake until the top is firm and a toothpick inserted into center comes out with crumbs attached, 40 to 45 minutes. Cool completely in pan on a rack, about 2 hours, before cutting.

How to Make White Bean Purée:

If starting from scratch, soak dry cannellini, great northern, or white kidney beans with water by at least two inches. Cover and let stand for up to 24 hours; refrigerate if the kitchen is very warm. Soaking is optional, but it can save anywhere from 30 minutes to an hour of cooking time. To cook the beans, drain them and cover with water to cover by two inches. Bring to a boil over high heat. Skim off the foam that rises to the surface. Reduce heat to low and simmer, covered, stirring occasionally until they are very soft. Unsoaked cannellinis take about 30 minutes; great northerns and white kidney beans take one to 1 1/2 hours. The beans will swell to about three times their original size.

Measure out six ounces, or about 1 1/3 cup of cooked beans. If using canned beans, rinse them thoroughly to get rid of excess salt. Purée in a blender or food processor until smooth. You should have 3/4 cup of purée.

Notes/tips: