From The Redwall Kitchen (http://redwall.net/kitchen)
Marchpane
Almond paste ingredients:
-1lb almonds or filberts
-2 cups sugar
-1 cup water
-6 to 8 tablespoons orange juice
-few drops rosewater(optional)
Marchpane:
-1 egg white
-1 cup almond paste
-1 1/2 powdered sugar
-lemon juice
For almond paste:
Grind almonds. Cook sugar and water to 240 degrees in a large heavy pan. Add orange juice, rosewater, and ground nuts, stir until thoroughly blended.
Marchpane:
Whip the egg white until fluffy then work almond paste in gradually. Add powdered sugar(use some extra to make it more workable). If it becomes too thick then work in some lemon juice drop by drop.
This recipe donated by Marreli the Warrior.