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rhubarb upside down cake overhead on a pink platter

Rhubarb Upside Down Cake

This pretty Rhubarb Upside Down Cake features tart rhubarb, which has no detectable FODMAPs!

Course: Breakfast, brunch, Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes
Makes: 8 Servings
Calories: 407 kcal
Author: Dédé Wilson

Ingredients:

Rhubarb Topping:

  • 1 pound (455 g) rhubarb
  • 1/4 cup (57 g) unsalted butter, cut into pieces
  • 3/4 cup (149 g) sugar

Cake:

  • 1/2 cup (120 ml) lactose-free whole milk
  • 1 1/2 teaspoons lemon juice
  • 1 1/4 cups (181 g) plus 1 tablespoon low FODMAP gluten-free all-purpose flour, such as Bob’s Red Mill Gluten-Free 1 to 1 Baking Flour
  • 2 teaspoons baking powder; use gluten-free if following a gluten-free diet
  • 1 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 6 tablespoons (85 g) unsalted butter, at room temperature
  • 3/4 cup (160 g) firmly packed light brown sugar
  • 1 teaspoon vanilla extract
  • 2 large eggs, at room temperature

Preparation:

  1. Position rack in center of oven. Preheat oven to 350°F/180°C.
  2. For the Topping: Take a 10-inch (25 cm) ovenproof skillet, preferably nonstick, and arrange the rhubarb across the bottom, cutting to fit. You can use a few pieces of rhubarb to make up one whole “stripe” that goes from one side to the other (use image to help understand this). Just pack them in there like logs, then remove and set aside. This step is just to get them cut to the right size.
  3. With the now empty pan, begin to melt butter over medium heat. Stir in sugar and continue to cook for a minute or two until it is well combined, bubbly and the sugar is melting. Add rhubarb, packing the pieces in there; the pan will be full and you will have a few creating a second layer, most likely. Cook gently for about 3 to 5 minutes or just until rhubarb is beginning to soften and the whole mixture is juicy. Set aside.
  4. For the Cake: Stir the milk a lemon juice together in a measuring cup and set aside for about 5 minutes to thicken.
  5. Whisk the flour, baking powder, cinnamon and salt together in a small bowl to aerate and combine; set aside.
  6. Beat the butter and sugar together in a large mixing bowl with an electric mixer until soft and creamy. Beat in the vanilla, then beat in the eggs one at a time, beating well after each addition and scraping bowl down as needed with a silicone spatula. Add the flour mixture and the soured milk and beat just until combined. The batter will be thick. Dollop it out using two spoons on top of the rhubarb. Then very gently spread it out without dislodging or disrupting the rhubarb. This I best accomplished with a small-dampened offset icing spatula, and a very light touch.
  7. Bake for about 30 to 35 minutes or until a toothpick inserted into the cake comes out clean. Use your small icing spatula to run around the edge of the cake, then place a large flat platter on top of cake, and carefully but swiftly invert everything. Wear your hot mitts as needed. If any rhubarb and topping sticks to the pan, simply remove it and put it into place on the cake. We like this cake warm, but room temperature is okay too. It should be eaten the day it is made.

Tips

  • Some fresh rhubarb is very red, some is rather pink and some is even quite green, even when ripe. The red and pink versions will give you prettier results with this upside-down cake.
Nutrition Facts
Rhubarb Upside Down Cake
Amount Per Serving
Calories 407 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 1g5%
Cholesterol 53mg18%
Sodium 183mg8%
Potassium 183mg5%
Carbohydrates 63g21%
Fiber 2g8%
Sugar 42g47%
Protein 4g8%
Vitamin A 135IU3%
Vitamin C 4.9mg6%
Calcium 59mg6%
Iron 0.4mg2%
* Percent Daily Values are based on a 2000 calorie diet.