Preheat oven to 350 degrees F
Line cookie sheets with parchment paper or silicone baking mat
In a large bowl, creamy together the butter and brown sugar until fluffy
Add eggs and vanilla, and mix until well combined
In a medium bowl, whisk together the flour, baking soda, salt, cinnamon, and cloves
Gradually add flour mixture to wet ingredients until well combined
Stir in oats and raisins until well combined. Dough will be thick.
Drop by tablespoon or cookie dough scoop onto prepared cookie sheets
Bake for 8-10 minutes or until lightly golden
Remove from oven to cooling rack
Store in airtight container