Step 1

Drain walnuts and place in a blender with walnut milk, brown sugar, maple syrup, instant coffee, oil, vanilla and salt. Blend until very smooth. Cover and refrigerate until well-chilled.

Step 2

Place into the bowl of an ice cream maker and freeze until firm.

Step 3

Transfer to a 1-quart container and store in the freezer.

Step 4

Scoop into bowls and garnish with chopped walnuts.