Preheat the oven to 180 degrees Celsius.
In a large bowl, mix all-purpose flour, baking powder, and salt.
Add cold vegan margarine and crumble it by hand.
Add soy milk, peanut butter, and yuzu marmalade, then knead into a dough.
Mix peanuts into the dough.
Shape the dough into rounds and place on a parchment-lined baking tray.
Lightly brush the surface with soy milk.
Bake for 20-25 minutes in the oven.