Preheat oven to 350 degrees. Grease one 9 x 5 inch loaf pan. In a large mixing bowl, combine the eggs, pumpkin,marmalade, melted butter and orange liqueur until well combined. Add the dry ingredients and mix until thoroughly combined. Pour into prepare loaf pan. Bake for 65 - 70 minutes or until a pick comes out clean. Remove from oven. Let cool in pan for 10 minutes. Remove from pan. Top with glaze and cool.
To make the glaze, mix together the 2 tablespoons of orange marmalade and tablespoon of orange liqueur.