In the bowl of a stand mixer combine your softened butter, tahini, brown sugar, and sugar. Mix on medium low speed until combined.
Add your eggs and vanilla and whisk again on low speed.
In a separate bowl combine your flour, oats, salt, cinnamon, and baking soda.
Slowly add your dry ingredients to your wet ingredients whisking on low speed.
Using a spatula fold in your chocolate and dates (optional) until combined.
Pre-heat your oven to 375 degrees and line your baking sheet with parchment paper.
Roll out your cookies using a large cookie scoop. Place them on your baking sheet and slightly press them down using your fingers.
Place your cookies in the freezer for 15- 20 minutes (do not skip this step!)
Bake your cookies for 12 minutes or until they look slightly golden on top.
Serve and enjoy!