[Klara]

well, search engines work fine - here's the post I'd written for the coffee mousse - with Melanie Waxman's recipe also in there:

here's the recipe I've been using, from Whole World Cookbook, p.
12 (another cookbook with pages falling apart)(the amounts in
parenthesis is making 1 1/2 times the amount in recipe, so equals
amounts in Melanie's recipe for comparison)

(1 1/2) 1 quart apple juice
(7 1/2) 5 Tablespoons agar flakes
(1 1/2) 1 Tablespoon instant grain coffee
Pinch of salt
(3) 2 Tablespoons tahini
(1 1/2) 1 teaspoon vanilla extract
(1 1/2) 1 Tablespoon barley malt
several walnuts, shelled (to decorate on top)

and here's Melanie's recipe

Grain Coffee Mousse

Ingredients
4 cups apple juice
2 cups spring water
6 tablespoons grain coffee
2 tablespoons nut butter of choice
2 tablespoons rice syrup
6 tablespoons agar agar
Pinch sea salt
1 teaspoon vanilla
Orange slices for garnish

Preparation:
Place the juice, water, salt and agar flakes in a pan.
Heat on a medium flame until boiling.
Lower flame and simmer until agar flakes are dissolved.
Whisk in the grain coffee and the rice syrup.
Pour into a dish. Let sit for a few minutes until cool.
Place in the fridge until firm.
Blend with the nut butter and vanilla to a smooth cream.
Serve garnished with oranges.

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so I see the differences between the two recipes aren't that huge.
The biggest difference seems to be the amount of grain coffee (and
I'm also wondering if it makes a difference which one is used). And
no water is used in the recipe I've been using, so perhaps it's
sweeter?? A bit less agar in Melanie's recipe.