Rustic Air Fryer Oat and Almond Cake – No Flour, No Sugar, All Flavor

Posted on October 25, 2025

Rustic Air Fryer Oat and Almond Cake

This wholesome, naturally sweet cake by Roberto Sturzi proves that simple ingredients can create extraordinary results. Made with rolled oats, almond flour, apples, and honey, it bakes beautifully in the air fryer, developing a golden crust and a tender, moist center. There’s no refined sugar or flour here — just real, nourishing ingredients that make every bite satisfying. Ideal for breakfast or as a light dessert, it fills your kitchen with the comforting aroma of cinnamon and toasted nuts.

Try it: Gluten-Free Pear and Chocolate Ricotta Cake in the Air Fryer

Roberto Sturzi

Rustic Air Fryer Oat and Almond Cake

Wholesome air fryer cake with oats, almond flour, apples, honey, walnuts and cinnamon. Flourless and sugar-free, golden outside and tender inside.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 8 servings
Course: Dessert
Cuisine: Italian
Calories: 230

Ingredients
  

What you’ll need to make Rustic Air Fryer Oat and Almond Cake
For the batter
  • 1 cup rolled oats (100 g)
  • 1 cup almond flour (100 g)
  • 3 eggs
  • 1 small apple, diced
  • 1/2 cup walnuts, chopped (50 g)
  • 2 tbsp honey
  • 1 tbsp baking powder
  • 1 tbsp ground cinnamon
For the topping
  • whole walnuts
  • chopped pistachios
  • honey, for drizzling

Equipment

  • Mixing bowl
  • Wooden spoon or spatula
  • Silicone pan for air fryer (7–8 in / 18–20 cm)
  • Air fryer

Method
 

How to make Rustic Air Fryer Oat and Almond Cake
    Mix the batter
    1. Combine rolled oats, almond flour, baking powder and cinnamon in a mixing bowl and stir to blend.
    2. Add eggs and honey and mix until smooth and evenly combined.
    3. Fold in the diced apple and the chopped walnuts.
    Air frying
    1. Pour the batter into a silicone pan suitable for the air fryer (7–8 in / 18–20 cm) and smooth the top.
    2. Top with whole walnuts, chopped pistachios and a drizzle of honey.
    3. Air fry at 320°F (160°C) for 30 minutes, until golden on top and a toothpick inserted in the center comes out clean with a few moist crumbs.
    Finish and serve
    1. Cool completely in the pan, then slice and serve.
    How to Store
    1. Store in an airtight container: up to 2 days at room temperature or up to 4 days in the fridge. Rewarm briefly in the air fryer before serving.
    Rustic Air Fryer Oat and Almond Cake
    Rustic Air Fryer Oat and Almond Cake

    Extra Tips

    To keep the crumb soft, use room-temperature eggs and avoid overmixing the batter — it should look just combined, not overworked.

    For deeper aroma, add a pinch of nutmeg or ground ginger along with the cinnamon.

    If you like a moister crumb, stir in 2 tablespoons of Greek yogurt or ½ mashed banana; both add tenderness and natural sweetness.

    For a honey-free option, replace it with agave syrup or date paste.

    You can also swap the apple for ripe pears or fresh berries for a seasonal twist that pairs beautifully with the almond base.

    — Some images featured in our recipes serve illustrative purposes only. Each preparation is carefully tested, yet the final outcome may vary depending on the ingredients you use and the equipment available in your own kitchen.

    Tags:

    You might also like these recipes

    Leave a comment

    Recipe Rating