Pulse walnuts and dates in a food processor until sticky and crumbly.
Add cocoa, instant coffee, chia seeds, and honey. Pulse until the mixture clumps.
Roll into 1-inch laddoo.
Chill 30 minutes. Optional: roll in cocoa powder for a mocha finish.
Notes
Use decaf instant coffee if serving to kids or after dinner.Swap half the walnuts for almonds for a milder flavour.Naturally vegetarian; use maple syrup for vegan.Store in the fridge up to 10 days.