Mix the ground almonds, oil and eggs together, add sweetener and cinnamon to taste, can be a little sweeter than you like, the sweetness is lost a bit when baking. Set the mass aside for about 20 minutes, it will thicken a little.
In the meantime, wash, peel and cut the apples into small cubes, drizzle with a little lemon juice. Mix the apple pieces and dough together. Finally, add baking powder through a sieve and mix thoroughly.
Fill into 6 muffin molds (I use silicone molds, others grease a little if necessary). Bake in a preheated oven at 160 ° C for about 22-25 minutes.