Preheat oven to 350°F line two baking sheets
Cream butter and sugar until light and fluffy
Beat in molasses then eggs one at a time then vanilla
Whisk flour baking soda cinnamon salt separately
Mix dry into wet until just combined
Fold in protein oats
Scoop 30g dough balls space 2 inches apart
Bake 8-10 min edges set centers slightly underdone cool completely
Beat butter and coconut oil until smooth
Add powdered sugar and protein powder then milk and vanilla to spreadable consistency
Sandwich filling between two cooled cookies
