Preheat the oven to 325 degrees. Line a rimmed cookie sheet with parchment paper or silicone mat.
In a great big bowl, whisk together the oats, cinnamon and salt.
In a microwave safe bowl, add the peanut butter and honey. Microwave this for 30 seconds and stir until smooth. Microwave in 10 second increments until it is smooth and thoroughly combined.
Stir in the vanilla to the hot peanut butter mix.
Pour the peanut butter mixture over the dry oats. Coat the oats.
Spread this mixture on the cookie sheet. Bake for 10 minutes. STIR. Bake for 10-15 minutes more. It should be golden brown.
Allow to cool completely and store in a air-tight container with any optional mix-ins.