Brown and then cool 5 sticks of butter
soften 4 sticks of butter
Preheat oven to 300
Cream combined butter with 3 C brown sugar
Once well creamed (color light), add 10 cups of flour, 1 cup at a time
Press into ungreased 1/2 sheet pan, as evenly as possible. use fork to pierce all over shortbread.
Bake approx 50 minutes. Cut immediately, but do not try to remove from pan until completely cool.
Brew a pot of tea and enjoy!