Preheat oven to 350°F
Line cookie sheets with parchment paper
In a stand mixer, or using a hand mixer, beat the shortening and sugar together until creamy
Beat in eggs and vanilla.
Add flour, cinnamon, salt, and baking soda, and mix on low speed until just combined.
Crush ⅓ cup of cereal.
Break ⅓ cup of cereal into pieces.
Fold crushed cereal, broken cereal and remaining ⅓ cup of whole cereal into the cookie dough.
Drop cookie dough by scoops onto prepared pans
Bake in preheated oven for 10-12 minutes. Do not over bake, cookies will still look slightly wet in center
Allow to cool for 1 minute on the pan before transferring to cooling rack to cool completely.