Slow Roasted Blood Orange Upside-Down Cake

Blood Oranges and I have a long-standing love affair. In years past I have posted recipes for Blood Orange-cello, Blood Orange Meringue Tartlets, and Blood Orange and Bourbon Chipotle BBQ Chicken among others. I am drawn to the mottled red-orange skin and the inner blood-red burst of color as much as to the flavor. They are natural art works, each and every one unique and deliciously stunning.

This is a simple upside down cake with slow-roasted blood oranges which brings out another layer of tastiness. Blood oranges are abundant in supermarkets this time of year so eat them while you can…raw, cooked or juiced.

Full of antioxidants and high in Vitamin C and potassium, Blood Oranges are uniquely colored due to “anthocyanins”. These are flavonoid pigments which exist in red and purple vegetables, most berries and are incredibly healthy.

Thinly sliced and ready for roasting…..

….sprinkled lightly with raw sugar…..

….roasted at 275 degrees for 45 minutes……

….in my favorite Lodge cast iron skillet.   First smeared with butter….

….the bottom covered with roasted rings of oranges and another sprinkle of sugar.

Topped with cake batter and baked…..

…ready to eat. So good with a cup of coffee or tea on a cold winter day.

Slow Roasted Blood Orange Upside-Down Cake

  • Servings: 8-10
  • Print

Ingredients:

  • 4 blood oranges
  • 1 1/4 cups raw or  turbinado sugar, divided
  • 8 tablespoons softened butter, divided
  • 1/2 cup all-purpose flour
  • 1/3 cup yellow cornmeal or polenta
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon salt
  • 1 teaspoon vanilla extract
  • 2 large eggs at room temperature
  • 1/3 cup buttermilk or vanilla yogurt

Directions:

  1. To roast blood orange slices:  Preheat oven to 275 degrees. Cut ends off of each orange and then slice thinly, removing any seeds as you work.
  2. Arrange blood orange slices flat on a baking sheet and sprinkle with 1/2 cup of raw sugar. Roast for about 45 minutes or until they are caramelized and softened. Remove pan from oven and let cool for 10 minutes.
  3. Turn oven to 350 degrees. Smear a 10 inch cast iron skillet with 2 tablespoons of the butter to coat bottom and sides. Arrange roasted orange slices, slightly overlapping, in the bottom of the skillet and sprinkle with 1/4 cup of raw sugar.
  4. Whisk together the flour, cornmeal, baking powder and salt in a bowl.
  5. Using an electric mixer beat together the remaining 6 tablespoons butter and 1/2 cup raw sugar until fluffy. Add in vanilla and blend.
  6. Mix in eggs, one at a time, beating well after each one.
  7. Add flour mixture and buttermilk, alternately, ending with flour just until well mixed.
  8. Drop batter by spoonfuls over sugared orange slices in skillet and gently spread out evenly.
  9. Bake cake until a tester comes out clean, about 35-45 minutes. Cool cake for 10 minutes in skillet. Run a small knife around edge to loosen if necessary.
  10. Place a plate over the top of the skillet and flip to loosen cake onto plate using oven mitts or kitchen towels so you don’t burn your hands! Scrape out any sugar-juice mixture left in skillet and smear over cake. Serve cake warm or at room temp.

Teresa Blackburn   teresablackburnfoodstyling.com

4 thoughts on “Slow Roasted Blood Orange Upside-Down Cake

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