Rhubarb Custard Cake

4.8 Stars (5 Reviews)

Yield: 8 servings

Ingredients

4 tablespoons melted unsalted butter completely cooled, plus more butter at room temperature for the pan
1 cup all-purpose flour plus more for the pan
¾ teaspoon baking powder
½ teaspoon kosher salt
2 large eggs
1 large egg yolk
1½ cups sugar plus 1 tablespoon for sprinkling over the top
¼ cup sour cream
2 teaspoons finely grated lemon zest
13 ounces rhubarb stalks - I like to use thin stalks that are red but slice them in half lengthwise if you have thick stalks

Instructions

Preheat oven to 350° F. Butter and flour a 9" springform pan, and set aside.
In a medium bowl, whisk together baking powder, salt, and 1 cup all-purpose flour.
In a large bowl, vigorously whisk eggs, egg yolk, and 1½ cups sugar in a large bowl until very pale and thick, about 1 minute.
In a small bowl, whisk melted butter, sour cream, and lemon zest.
Whisk butter mixture into egg mixture, just to combine. Then add dry ingredients and fold with a spatula until batter is smooth, and scrape into prepared pan. Place in refrigerator to chill for 10 minutes, to let the batter set.
Arrange rhubarb over batter however you like, trimming as needed. To create the patchwork pattern you see in my photos, refer to the tutorial photos in the post. Do not press the rhubarb into the batter, let it rest gently on the surface.
Sprinkle with 1 tablespoon of sugar and bake until cake is golden on top and browned around the edges, about 45-55 minutes or so. Transfer pan to a wire rack and let cake cool in pan 10 minutes. Then slide a knife around sides of cake to loosen and unmold. Let cake cool completely. Slice into individual pieces and serve with whipped cream if desired.

Notes

slightly adapted from bon appetit magazine, March 2018 edition

Nutrition Information:

Serving: 1 Calories: 324kcal Carbohydrates: 52g Protein: 5g Fat: 11g Saturated Fat: 6g Polyunsaturated Fat: 4g Cholesterol: 116mg Sodium: 169mg Fiber: 1g Sugar: 38g

Nutrition information is automatically calculated by Spoonacular. I am not a nutritionist and cannot guarantee accuracy. If your health depends on nutrition information, please calculate again with your own favorite calculator.

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