gilmore girls coffee cake cookies

Name: gilmore girls coffee cake cookies
Prep time: 25 min
Cook time: 15 min
Total time: 40 min
Cuisine: American
Ingredients: 1/2 cup butter (softened (113 g)); 1/2 cup vegetable oil ((100 g)); 1 cup brown sugar ((215 g)); 1 large egg; 1 tsp vanilla; 2 tsp cinnamon; 2 1/2 cups all-purpose flour ((325 grams)); 1/2 tsp baking soda; 1/2 tsp baking powder; 1/2 tsp salt; 1/4 cup butter (softened (56 g)); 1/4 cup brown sugar ((54 g)); 1/3 - 1/2 cup flour ((43-65 g)); 1/2 tsp cinnamon; pinch of salt; 1/2 cup powdered sugar ((56 g)); 1 tbsp milk; splash of vanilla