Preheat oven to 350 degrees
In a large bowl, mix together 12 tablespoons of room temperature butter (1 full stick plus 6 tablespoons) with 3/4 cup of brown sugar and 1/2 cup of sugar until light and fluffy. You can do this by hand with a whisk or with a stand mixer using a paddle attachment
Add 2 eggs and 2 teaspoons of vanilla extract and mix until the batter is smooth
In a medium bowl, combine 1 1/2 cups of all purpose flour, 1 teaspoon of baking soda, 1 teaspoon of cinnamon, 1/2 teaspoon of nutmeg, 1/2 teaspoon of ground ginger, 1/2 teaspoon of cloves 1/4 teaspoon of cardamom, 1/2 teaspoon of salt and a pinch of black pepper
Add the combined dry ingredients into the wet batter and mix until fully incorporated
Add 3 1/4 cups of old fashioned oats and a heaping cup of toffee bits and mix until evenly distributed
Place 1 tablespoon rounds of cookie dough onto non-stick or parchment lined baking sheets
Bake at 350 degrees for about 12 minutes
As soon as you see the edges begin to brown, remove them from the oven and allow them to cool on the baking sheet for 10 minutes
Transfer the cookies onto a cooling rack to cool fully