Coarsely grind half of the flaxseed in a flour mill the night before. Then mix with the oat flakes and divide between 4 screw-top jars. Pour the apricot cubes over it and sprinkle with the remaining flaxseed. Pour the almond milk over them, close the jars and put them in the fridge overnight. Then sprinkle with strawberries and almonds, drizzle with honey and serve sprinkled with lemon balm leaves.