Gluten-free No-bake Lemon Slice

Slice

 * 13 ounce can condensed milk
 * 4 ounces butter, melted
 * 8 ounces gluten free cornflakes, crushed or 8 ounces gluten free rice cookies, crushed
 * ½ cup desiccated coconut
 * ½ cup shredded coconut
 * 1 tablespoon lemon juice
 * grated rind of 1 lemon or mandarin orange

Icing

 * 8 ounces pure icing sugar
 * 2 tablespoons butter, melted
 * 2 tablespoons lemon juice
 * a little hot water

Directions

 * 1) Mix the slice ingredients well.
 * 2) Press into a lightly greased dish.
 * 3) In a separate bowl, bash the lumps out of the pure icing sugar.
 * 4) Add 2 tablespoons of melted butter and 2 tablespoons of lemon juice.
 * 5) Mix well.
 * 6) Very slowly add a little hot water until the icing is soft enough.
 * 7) Spread over the slice mixture.
 * 8) Refrigerate for a few hours.
 * 9) Cut into fingers.