Whisk together flour, salt, baking soda, cinnamon, and quick cooking oats in a medium bowl. Set aside.
2 cups all purpose flour, ¾ tsp Kosher salt, 1 tsp baking soda, ½ tsp ground cinnamon, 1 ½ cups quick cooking oats
In a stand mixer bowl, cream together the butter and sugars using a paddle attachment for 3 to 5 minutes, until pale and fluffy. Or, use a large mixing bowl and an electric mixer.
1 cup unsalted butter, room temperature, 1 cup light brown sugar, packed, ¼ cup granulated sugar
Add one egg and beat for 1 minute at medium speed. Then add the other egg and beat for another minute.
2 large eggs
Scrape down the sides of the bowl. Add the vanilla extract and beat on low spped until incorporated.
1 tsp vanilla extract
Add the oat mixture to the butter mixture and beat on low speed just until incorporated.
Add in the chocolate chips and coconut flakes.
6-8 ounces large chocolate chips or chocolate chunks, 1 cup sweetened coconut flakes
Put the chilled cornflake brittle into a zippered bag. Use a kitchen mallet or rolling pin to break the britle into small chunks.
Add the cornflake brittle and chopped bacon into the cookie dough. Combine at low speed until incorporated.
Put the bowl of cookie dough in the refrigerator for 1 hour.
Preheat oven to 350℉.
Use a 2 tablespoon cookie scoop to portion the dough into balls. Place on a parchment lined baking sheet, 2 inches apart. Press a few more chocolate chips into the top of each and press the dough down with palm of your hand to slightly flatten the dough ball.
(If you wish to freeze the dough, put the baking sheet with the dough balls into the freezer for 10 minutes to set. Then transfer the dough balls to a zippered freezer bag. Store in the freezer for up to 2 months, until ready to use.)
Bake at 350℉ for 11-13 minutes until golden around the edges. Cool on baking sheet for 10 minutes before transferring them to a cooling rack using a spatula.
Store cooled cookies in an airtight container in the refrigerator.
If you are baking frozen cookie dough balls in an oven, bake them for 2 minutes at 350℉. Remove baking sheet from oven and gently press dough balls with the bottom of a drinking glass to slightly flatten. Then bake for an additional 11 minutes. Cool as above.
You can also bake frozen dough balls in an air fryer. Put on a parchment lined pan and air fry at 350℉ for 2 minutes. Press down gently with the bottom of a drinking glass. then air fry for another 5 minutes. Cool as above.