Streusel Squares
Recipe from Great Cakes by Carole Walter
via All That's Left Are The Crumbs
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Streusel Topping:
- ⅓ cup (⅔ stick) unsalted butter
- 1¼ cups unsifted all-purpose flour
- ⅔ cup sugar
- 1 teaspoon ground cinnamon
Cake:
- 2¼ cups unsifted all-purpose flour
- 2 teaspoons baking powder
- ½ teaspoon salt
- ¾ cup (1½ sticks) unsalted butter
- 1 cup superfine sugar
- 2 large eggs
- 1 large egg yolk
- 1½ teaspoons vanilla extract
- 1 cup milk
- 1 large egg white
Position a rack in the lower third of the oven and preheat to 350⁰F. Butter a 9 x 13 x 2” pan.
To Make The Streusel Topping: Melt the butter, then cool slightly.
Add the flour, sugar and cinnamon all at once and stir with a fork until the mixture forms small crumbs. Take a handful of the crumbs and make a fist to press the mixture into a large clump, and then separate into smaller clusters, at least two or three times the size of the original crumbs.
Repeat until all of the crumbs have been reshaped, then set aside.
To Make The Cake: Sift together the flour, baking powder and salt, set aside.
Cut the butter into 1-inch pieces and place in the large bowl of an electric mixer fitted with the paddle attachment to soften on low speed. Increase speed to medium-high and cream until smooth and light in color, about 1½ to 2 minutes.
Add the sugar, 1 tablespoon at a time, taking about 6 to 8 minutes to blend it in well, scraping the sides of the bowl as necessary.
Add the eggs and additional yolk, 1 at a time at 1-minute intervals, scraping the sides of the bowl as necessary.Blend in the vanilla.
Reduce mixer speed to low and add the dry ingredients alternately with the milk, dividing the flour mixture into three parts and the milk into two parts, starting and ending with the flour. Mix just until incorporated after each addition, scraping the sides of the bowl and mix for 10 seconds longer.
Spoon the batter into the prepared pan and smooth the surface with the back of a tablespoon.
Beat the egg white lightly with a fork, and using a pastry brush, spread about half of the beaten egg white over the top of the cake batter. Discard the remainder - the egg white helps the streusel adhere to the top of the cake.
Sprinkle the entire surface of the batter generously with the streusel, gently patting the crumbs into the batter with the palm of your hand; do not press hard.
Center the pan on the rack and bake for 40 to 45 minutes, or until the cake is golden brown on top, begins to come away from the sides of the pan, and the streusel is crisp. A toothpick inserted into the center should come out dry.
Remove the cake from the oven and set on a cake rack to cool. When ready to serve, dust the top with powdered sugar and cut into squares.
Can be stored at room temperature for up to 5 days.




















































