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–+ servings
a slice of pineapple oat cake on a white plate.
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4.56 from 18 votes

Pineapple Oat Cake

This Pineapple Oat Cake is soft, moist, and perfectly sweet with a light, fruity flavor. Topped with a creamy pineapple frosting, it’s a simple and satisfying dessert.
Prep Time25 minutes
Cook Time20 minutes
Cooling Time10 minutes
Total Time55 minutes
Course: Dessert
Cuisine: American
Diet: Vegetarian
Keyword: cake, oat cake, oatmeal cake, pineapple cake, pineapple oat cake, pineapple oatmeal cake
Servings: 6 servings
Author: Joanie Zisk

Equipment

Ingredients

  • ¾ cup unsweetened pineapple juice
  • ⅔ cup quick-cooking oats -uncooked
  • ¾ cup all-purpose flour
  • ¼ cup whole wheat flour
  • ½ cup sugar
  • 1 teaspoon baking soda
  • 1 large egg -lightly beaten
  • ¼ cup canola oil , vegetable oil or avocado oil
  • ¼ teaspoon vanilla extract
  • 4 ounces cream cheese -softened to room temperature
  • ½ cup powdered sugar
  • 1 (8-ounce) can crushed pineapple -drained
US - Metric

Instructions

  • Preheat oven to 350°F (177°C).
  • In a 2-quart saucepan, bring the pineapple juice to a boil. Remove from heat, stir in the oats, and let sit for 20 minutes.
  • In a medium bowl, whisk together the all-purpose flour, whole wheat flour, sugar, and baking soda. Set aside.
  • In a small bowl, whisk the egg, oil, and vanilla together. Stir this into the dry ingredients.
  • Add the soaked oats and mix until fully combined.
  • Spoon the batter into a greased 8x8-inch baking pan. Bake for 25 minutes, or until a toothpick inserted in the center comes out clean.
  • Remove from the oven and let cool completely.
  • To make the frosting, beat the cream cheese with an electric mixer on high speed until light and fluffy. Add the powdered sugar and mix until combined. Fold in the crushed pineapple.
  • Spread the frosting over the cooled cake, then cut into squares.

Notes

  • Don’t Overmix: Mix the batter just until combined to keep the cake tender.
  • Check for Doneness: Insert a toothpick in the center; it should come out clean.
  • Cool Before Frosting: Let the cake cool completely so the frosting doesn’t melt.
  • Drain Pineapple Well: Squeeze out excess juice from the crushed pineapple for a thick, spreadable frosting.

Nutrition

Serving: 1serving | Calories: 304kcal | Carbohydrates: 40g | Protein: 5g | Fat: 17g | Saturated Fat: 4g | Cholesterol: 48mg | Sodium: 254mg | Potassium: 141mg | Fiber: 1g | Sugar: 20g | Vitamin A: 295IU | Vitamin C: 3mg | Calcium: 35mg | Iron: 1.6mg

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