Thin dough, thick, juicy filling! Diet cake without sugar and gluten

INGREDIENTS:
✔️Oat flakes 80 g,
✔️Coconut flour 2 tablespoons (or another flour),
✔️1 egg (or half a banana),
✔️Coconut oil 2-3 tablespoons (or any vegetable oil),
✔️Baking powder 1/2 teaspoon,
✔️A pinch of salt
✔️All nuts 50 g

✔️Apple 2 pcs.
✔️Orange 2 pcs.
✔️Lemon 1 pc.
✔️Sweetener (Stevia 3 teaspoons)
✔️Agar-agar 2 teaspoons (strength 1200)

✔️ Drizzle with syrup or honey

~Total per 100 grams:
Calories - 166.6 kcal.
Protein - 4.7g.
Fat - 9.4 g.
Carbohydrate - 16.7 g.