In a large bowl, combine oats and cocoa powder.

In a separate microwave-safe bowl, warm the peanut butter and honey for 30 seconds. Stir until smooth.

Add vanilla and salt. Stir again.

Pour the wet mixture into the dry and mix well until everything is coated.

Line a tray with parchment paper.

Scoop tablespoons of the mixture onto the tray and shape into clusters.

Refrigerate for 20 minutes or until set.

Serve chilled. Store leftovers in an airtight container in the fridge.