Reese's Original Peanut Butter Chip Cookies

This post is sponsored by LIV butter. Try a Liv butter today!  
Resse's Original Peanut Butter Chip Cookies(Recipe adapted & modify slightly from here)    
Ingredients:170g Liv salted butter1/2 cup brown sugar1 tsp rum2 eggs2 cups sifted plain flour1 tsp baking sodaReese's peanut butter chips
Method:
1. Cream butter, sugar & rum until light fluffy.
2. Add eggs & beat well.
3. Add in sifted flour & baking soda. Mix well.
4. Stir in peanut butter chips.
5. Bake in a preheated oven at 170C for 20mins.