01 -
Drain the crushed pineapple through a fine-mesh strainer set over a measuring cup. Set the pineapple aside and keep the juice.
02 -
Add lemon juice to the reserved pineapple juice. Add enough cold water to make 1 cup total liquid.
03 -
Place the lemon gelatin in a heatproof bowl. Add the boiling water and stir for 2 minutes, until completely dissolved.
04 -
Stir the pineapple juice mixture into the dissolved gelatin. Pour into an 8-inch square dish or small mold and refrigerate for 45-60 minutes, until thick and syrupy but not firm.
05 -
Stir in the drained pineapple, grated carrots, chopped pecans, and salt until evenly distributed.
06 -
Cover and refrigerate for at least 4 hours, or overnight. Cut into squares and serve cold.