Line a 9- x 9-inch pan with parchment paper.

Soak fruit in a small bowl of hot water for 15 minutes until softened. Squeeze out as much water as possible.

Chop fruit and blend in salt in food processor until broken up but still a bit chunky.

Sprinkle ½ of sesame seeds and ½ of flax seeds on the bottom of the lined pan. Press fruit into the pan. Top with remaining seeds. Chill until firm. Cut into bars. Wrap each bar and store at room temperature for up to 1 week.