Add almond milk, melted vegan margarine, white sugar, salt, vanilla extract, and flour to the bread machine in the order listed. Start the Dough setting.

Mix warm water, sugar, and yeast in a glass and let proof for 15 minutes in a slightly warm oven.

Add the proofed yeast mixture to the bread machine and let it continue for 1 hour 45 minutes.

Remove the dough from the machine and roll it into a 12x18-inch rectangle.

Mix brown sugar, walnuts, and cinnamon in a bowl. Spread the mixture over the rolled-out dough.

Roll the dough into a log and slice it into 1-inch wide pieces. Place them cut-side up in a greased baking pan.

Preheat the oven to 400°F (200°C) briefly and turn it off. Place the rolls inside along with a bowl of boiling water to proof for 1 hour.

Remove the rolls and preheat the oven to 350°F (175°C). Bake for 15 minutes.

Mix powdered sugar, almond milk, and melted vegan margarine for the glaze.