Rustic Apple Oatmeal Cake (Healthy Breakfast Cake)

This wholesome apple-studded cake combines the heartiness of oats with the natural sweetness of fresh apples, creating a nutritious breakfast or snack option that tastes like dessert. Inspired by traditional European farmhouse baking, this cake celebrates the simple pleasure of fresh, seasonal ingredients.

Ingredients

For one 9-inch cake:

  • 5 medium apples (750g), peeled and diced
  • 2 large eggs, room temperature
  • 1/3 cup (115g) honey
  • 1 cup (90g) old-fashioned rolled oats
  • 1 teaspoon (5ml) vanilla extract
  • 1 teaspoon (5g) ground cinnamon
  • 1/2 teaspoon (3g) ground nutmeg
  • 1/4 teaspoon (1g) salt
  • 1 teaspoon (5g) baking powder
  • 2 tablespoons (30ml) lemon juice
  • Optional glaze: 2 tablespoons honey + 1 tablespoon water

Instructions

  1. Preheat oven to 350°F (180°C). Grease a 9-inch springform pan and line bottom with parchment.
  2. Toss diced apples with lemon juice to prevent browning.
  3. In a large bowl, whisk eggs until light and foamy (about 2 minutes).
  4. Add honey and vanilla, whisk until well combined.
  5. Stir in oats, cinnamon, nutmeg, salt, and baking powder.
  6. Let mixture rest for 10 minutes to allow oats to soften.
  7. Fold in prepared apples – mixture will be very apple-heavy.
  8. Pour into prepared pan, arranging top apples decoratively.
  9. Bake for 30-35 minutes until golden brown and set in center.
  10. Optional: Brush with honey glaze while still warm.

Nutritional Information

Per slice (8 servings):

  • Calories: 165
  • Protein: 3g
  • Carbohydrates: 35g
  • Fiber: 4g
  • Sugar: 26g
  • Fat: 2g

Timing:

  • Prep Time: 20 minutes
  • Cook Time: 30-35 minutes
  • Total Time: 50-55 minutes

Pro Tips and Tricks

  • Choose firm, tart apples like Granny Smith or Honeycrisp
  • Cut apples uniformly for even baking
  • Don’t overmix after adding apples
  • Test doneness with a skewer
  • Let cool 10 minutes before removing from pan
  • Serve slightly warm for best texture

Variations and Substitutions

  • Grain-Free: Replace oats with almond flour
  • Sugar-Free: Use monk fruit syrup instead of honey
  • Fruit Variations: Add pears or berries
  • Nut Addition: Add chopped walnuts or almonds
  • Spice Mix: Try cardamom or ginger

Common FAQs

Q: Why is my cake too wet?
A: Ensure apples are well-drained and oven temperature is accurate.

Q: Can I use quick oats?
A: Yes, but texture will be slightly different.

Q: Is this cake freezer-friendly?
A: Yes, freeze for up to 3 months, well-wrapped.

Q: Can I make it ahead?
A: Best served same day but keeps 2-3 days refrigerated.

Storage and Make-Ahead Tips

  • Store at room temperature for 1 day
  • Refrigerate for up to 3 days
  • Warm slightly before serving
  • Can be frozen for up to 3 months
  • Prep apples ahead and store in lemon water

This healthy apple oatmeal cake is perfect for breakfast, brunch, or as a wholesome snack. It’s naturally sweetened, loaded with fruit, and provides a good source of fiber and nutrients. Enjoy it warm with a dollop of Greek yogurt for a satisfying morning meal or afternoon treat.